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Messages - xasop

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1941
For one thing, it only requires one pass.

I wouldn't trust any magnetic storage erasure mechanism that claims to require only one pass.

Like I said, it depends entirely on the application. Most don't lock out anything. If it is too much trouble you could always just copy and paste instead of directly moving the data.

So you lose any writes that are done by said applications after copying? What happens if they write something to the file while it's being copied? Do you get a consistent copy?

Words have multiple meanings. Shocking, I know.

Irrelevant, unless you're claiming to have invented a new one for "drive" without telling anyone, in which there's no point continuing to communicate with you.

1942
Have you considered using the ATA Secure Erase command?  Seems a whole lot quicker and just as secure.
https://ata.wiki.kernel.org/index.php/ATA_Secure_Erase

What makes you think that would be any quicker?

You asked if Windows can move files while they're in use [by Windows], the answer is yes. I then clarified that if a third party application is using the files, the answer is no.

No, I asked if Windows could move files while you're using them as normal. Is your normal usage pattern to boot up an OS and sit there staring at your desktop without starting any applications?

Well, since you use Linux I suppose it might treat it differently, but Windows has two options: you expand the original drive and move data between physical locations (e.g. you expand the C:\ drive by X amount) or you create a new drive D:\ and move the data between drive designations. The former option isn't something I'd refer to as a drive migration.

When I said "drive" I meant, well, a hard drive. I'm not surprised you're confused if you consider "drive" to mean "logical volume" and/or "filesystem".

1943
Technology & Information / Re: need some Mac Server advice
« on: October 07, 2014, 01:34:27 AM »
How else can an iOS device to know that a server its talking to is the one apple said it is?

The same way literally every other PKI in the world achieves similar goals, by having Apple sign your public key with their private key. Your private key should remain, well, private.

1944
Technology & Information / Re: need some Mac Server advice
« on: October 06, 2014, 04:35:41 PM »
You get a public key, give it to apple, and they give you a private key back

How has Apple managed to fuck up PKI that badly?

1945
I'm now doing an initial backup with dirvish, which is a far superior backup program to the one I used previously, rdiff-backup. rdiff-backup is basically a Python script that stores binary diffs between backup increments, so you have to wait approximately three billion years for it to unravel its own diffs in order to restore to anything but the most recent backup.

Dirvish uses filesystem snapshots instead (usually hard-linked trees, but I'm using a patch that allows it to make use of btrfs copy-on-write snapshots for better efficiency), which means that each backup increment just appears as a directory on my filesystem. I can browse each increment as I would any other filesystem tree, and even trivially grep across multiple historical snapshots if I'm looking for something specific.

The other really nice thing about dirvish is that it's very easy to specify custom snapshot expiry. Previously, I kept backups going back 90 days, but I think now that I have dirvish I'll keep some backups (say, one increment per month) forever. October 2014 will be the first month I always have backups of.

1946
I've just finished a first pass of wiping my original drive with random data, since it had unencrypted files on it. I'll do a second pass later this week, but for now, I'm going to swap in my new 4 TB backup drive and get backups configured.

1947
Arts & Entertainment / Re: Just Watched
« on: October 06, 2014, 10:16:35 AM »
What about the 2004 series?

That's up next.

Now downloading obtaining through legitimate and above-board means. I'll be watching the opening mini-series shortly.

1948
Technology & Information / Re: need some Mac Server advice
« on: October 06, 2014, 09:10:58 AM »
Virtualisation sounds like completely the wrong solution to the problem of a software limitation like this. Even if the software isn't fixable (which would be the right solution), why can't you just run 7 instances of the server process?

Also, I don't know exactly which features of Mac server you use, but you could try Linux with Netatalk.

1949
Well, yes... I thought I've already addressed that. Were you confused by my original answer?

I was, since you opened with "yes" and then clarified that the answer is "no".

I thought we were talking about drive migration (you even use the term "migrated"). It sounds like you just expanded your drive, not migrated it. I don't know if Linux treats those as separate things, but Windows can do either.

I migrated data from one drive to another. There was no expansion involved; at the end of the process, my original drive was empty and I could remove it.

1950
Windows allows applications (through some mechanism, I am unaware of the specifics) to lock out files as "in use by application." For example, when Microsoft office has an Excel file open and it doesn't want you touching it, it locks the file out. This is opposed to an Access database that can have hordes of people all accessing the same thing. Some applications lock out pretty much entire folders, some lock down just a few files, some don't lock anything at all.

So you can't just move the entire filesystem from one device to another while using it as normal, if you happen to use an application that locks files. Good to know.

The migration I just did was done at the block level. Individual files were irrelevant, since the filesystem itself is above the layer at which data got migrated. Also, the paths to the files didn't change, since the files themselves stayed on the same filesystem. The physical location of the data is completely separate from logical file access.

1951
Yes[citation needed]

Considering I've done it before, no, one is not needed.

What is different about Intel's drive migration utility from any other application that might be using the files? Why will Windows let you move files while in use by one application, but not another?

1952
Does Windows allow you to move all your existing files from one drive to another while you're using them as normal?

Yes[citation needed]

1953
I can (and have) upgraded storage capacity rather easily using Windows, and oh, it didn't involve a bunch of command line junk. Windows has this (new?) thing called a GUI that allows users to perform actions without looking up or memorizing a set of arbitrary commands.

Does Windows allow you to move all your existing files from one drive to another while you're using them as normal?

1954
Guys, please take this to CN or wherever we talk about markjo being terrible these days. This thread is about how awesome Linux is.

1955
Arts & Entertainment / Re: The Pink Floyd discography listen-through
« on: October 05, 2014, 12:40:44 PM »
The Dark Side of the Moon
Studio album


Recorded: June 1972 - January 1973
Released: 1 March 1973

Band lineup

Roger Waters (bass)
David Gilmour (guitar)
Richard Wright (keyboards)
Nick Mason (drums)

Clare Torry (vocals on "The Great Gig in the Sky")
Dick Parry (saxophone on "Money" and "Us and Them")

All lyrics written by Roger Waters.

Side A

1. Speak To Me (Mason) (1:13)
2. Breathe (Waters, Gilmour, Wright) (2:46)
3. On the Run (Waters, Gilmour) (3:35)
4. Time (Waters, Gilmour, Wright, Mason) (7:04)
  * Includes a reprise of "Breathe".
5. The Great Gig in the Sky (Wright, Clare Torry) (4:48)

Side B

1. Money (Waters) (6:23)
2. Us and Them (Waters, Wright) (7:50)
3. Any Colour You Like (Gilmour, Wright, Mason) (3:25)
4. Brain Damage (Waters) (3:50)
5. Eclipse (Waters) (2:03)

Review

This was the album that first sparked my interest in music. Not only is it more focused and consistent than anything Floyd did previously, but it is also their first album for which each side runs continuously, without pauses between tracks. This feature is something later Floyd works, and Roger Waters's solo albums, would adopt as their modus operandi. It's also a feature I really appreciate, as it seems to meld the album together, and which would later attract me to other artists which do the same thing, such as Frank Zappa.

This album and I have had our disagreements, but now that I listen to it again, it occurs to me that that's probably because I used to overlisten to this, and to Floyd in general. Like, a lot. Now that I hear it again with fresh ears, the reason why I fell in love with this record is coming back to me. This album represents a level of direction and coherence most bands would never even approach. It's a concept album about "things that make people mad", with a central theme of insanity, and on both counts it delivers spectacularly.

Side A is a 20-minute condensation of a human life. Speak To Me and Breathe, often paired as one track on CD releases, represent the time in which a child has come into the world, and is being schooled on its quirks and oddities. Speak To Me itself is one of the most dramatic album openers I've ever heard, beginning with a repeating heartbeat sound, and slowly building up with sound effects and people talking about insanity, finally climaxing in a woman screaming (a sample from Clare Torry's performance on The Great Gig in the Sky) to segue into Breathe.

Speaking of people talking about insanity, that's a running theme throughout the album. Pink Floyd brought various people around the studio (including Paul McCartney, whose responses didn't make it onto the final album) in to ask them their thoughts on various broad topics, such as insanity, death, money and so forth. These answers appear throughout the album, in contexts where they add their own meaning to a song.

On the Run is an excellent example of this. The backing music consists of a synthesised piece put together by Roger and David fooling around with a VCS 3, but the main source of variation in the track comes from sound effects including boarding announcements, what sounds like a train passing by, and of course snippets of speech from the studio volunteers. This piece can be thought of as representing the disorienting, fast-paced frenzy of adult life.

Time is a song about time, or the lack of it. It represents a midlife crisis, in which the protagonist realises that they have wasted years of their time without even noticing it go by, and suddenly life seems much shorter than it once did. It also includes a beastly guitar solo from David, followed by a reprise of Breathe as the protagonist returns to their roots ("home again, I like to be here when I can").

As the last notes of Time fade out, in comes the tour de force of side A. The Great Gig in the Sky is a reflective piano composition from Rick, which starts out simple and quiet, with lap steel accompaniment. A voice talks about not being afraid to die, and then the majesty of this piece takes full swing. Clare Torry, a session vocalist at the time, was asked to perform an improvisation over the backing track, and perform she did. This wordless vocal track, with Clare's voice being essentially used as an instrument, sounds more powerful and inspired than any saxophone solo I've ever heard, almost moving me to the point of tears. This performance is just beyond words.

Side B kicks off with Money, a blues rock song about, uh, money. As far as I can tell, the main attraction to this song is that it's in 7/4, since the song itself feels somewhat out of place here. The guitar solo is good, but not great, and the cross-fade into Us and Them just adds to the feeling that Money was recorded as a single and tacked into the concept album as an afterthought.

Us and Them is based on The Violent Sequence, an unused Rick composition from Zabriskie Point, although it's been developed substantially into a proper song. The lyrics deal with the absurdity of war, dwelling on the fact that the soldiers who die in battle are "only ordinary men", and "who knows which is which, and who is who?". These are probably my least favourite lyrics on the album, although that perception might be influenced by knowing how over-the-top Roger would take songs about war in years to come. The high point for me is a sax solo from Dick Parry, which really works well over these powerful chords.

The final refrain of Us and Them segues directly into Any Colour You Like, an extended instrumental jam, and (as far as I remember) the only ever Gilmour/Wright/Mason collaboration without a Waters writing credit. The song is a simple I-IV progression, the same as Breathe, though in a different key. It starts out with a very psychedelic-sounding synth solo, where Rick's synth is passed through a feedback delay timed to the beat of the song, resulting in a cascading effect of each synth note repeating in various places across the stereo image.

There's a brief midsection in which two Gilmour guitar tracks take turns presenting short, improvised licks, leading into a guitar solo proper to round off the affair. Then the chords from bridge of Breathe get repeated, but instead of a return to the D minor vamp, the key changes to D major, and Brain Damage starts.

The album is concluded by a pair of songs, written by Roger, dealing directly with the matter of insanity. As far as I'm aware, this material was largely inspired by Syd Barrett's descent into madness. This finale is proof that Roger's writing really does work best in small doses; unlike later albums which would be almost entirely authored by him, these songs work so well partly because they give closure to a collaborative effort, in which each band member contributes his own piece of the puzzle.

After Eclipse finishes, the heartbeat which opened the album returns, and we're left with one final thought from one of the in-studio victims: "There is no dark side of the moon, really. Matter of fact, it's all dark."

I'd forgotten why I loved this album so much once upon a time, and this listen has brought it back to me. All of the songs here are direct and to the point, with no room left for extended improvisation, and as a result all of the solos that do appear are kept short and sweet as well. The whole thing has a sense of unity, partly due to being a concept album, but also because of the continuous playback on each side, which makes it work much better as an album than as a collection of songs. Unmissable.

1956
Philosophy, Religion & Society / Re: Ask a Jew anything.
« on: October 05, 2014, 09:31:57 AM »
Yaakov/Yonah, we don't ban people the moment they break rules. We ban people who have been issued (and who have ignored) warnings on the matter. Banning is not a tool of punishment, it is a tool of correction, and should be used as a last resort. That's also why we didn't ban your alt straight away, but we will do so if you continue to break the same rule.

That's the last I'll say of this here, because it's off-topic. If you honestly feel that moderators have acted unfairly, please create a thread in Suggestions & Concerns, which is the appropriate forum for that. Preferably include links to the posts that you find incriminating, as supporting evidence, so that we can try to make an impartial assessment of the situation. Moderators are people too; they make mistakes, and they don't automatically understand everyone's point of view. S&C is the appropriate place to identify and deal with such issues.

1957
Arts & Entertainment / Re: The Pink Floyd discography listen-through
« on: October 05, 2014, 08:56:49 AM »
La Vallée
(aka Obscured by Clouds)
Film (directed by Barbet Schroeder)

Released: 11 July 1972

Band lineup

Roger Waters (bass)
David Gilmour (guitar)
Richard Wright (keyboards)
Nick Mason (drums)
Mapuga tribe (chanting throughout film, and on "Absolutely Curtains" on soundtrack)

Songs included (in order of appearance)

Obscured by Clouds (Waters, Gilmour)
Burning Bridges (Waters, Wright)
The Gold It's in The... (Waters, Gilmour)
Wot's... Uh the Deal? (Waters, Gilmour)
Childhood's End (Gilmour)
Mudmen (Gilmour, Wright)
Free Four (Waters)
Absolutely Curtains (Wright)
Obscured by Clouds (reprise) (Waters, Gilmour)

Songs I didn't spot that are on the soundtrack album

When You're In (Waters, Gilmour, Wright, Mason)
Stay (Waters, Wright)

I fully expect I'd notice these if I rewatched it, I just didn't the first time for whatever reason.

Review

As it turns out, this is the least Floydy of the films Floyd have yet scored. While the soundtrack album is almost entirely made up of actual songs rather than incidental music, the film doesn't make use of them very extensively, often mixing them way into the background at the same time dialogue is taking place. As such, I decided to listen to the soundtrack album again before reviewing.

Speaking of dialogue, while this film does have the occasional English conversation -- or, more frequently, an isolated English line or two -- the majority of the dialogue is in French, which makes this film quite difficult to follow for a non-French-speaker. The plot, as far as I can discern, is the story of travellers who go exploring the wilderness in New Guinea and find themselves in the midst of the Mapuga tribe.

The motivations of the characters are difficult to pinpoint from the start due to the language barrier, although the protagonist is a woman who seems to be motivated by her desire to obtain a large feather from the island before returning home. She bands up with a group of travellers seeking out an area marked on a map as "obscured by clouds", hence the alternative title.

The latter half of the film is more difficult to follow than the first, because once they meet the Mapuga tribe, the story is heavily dialogue-driven, which left me with nothing to do but sit and listen for Floyd songs. There are some interesting scene choices; nudity is not specifically sought out, but nor is it shied away from, and one memorable scene depicts the Mapuga tribe bashing pigs to death with tree branches in preparation for a meal.

As for the music, this album is noteworthy because it expands the collaborative songwriting that characterised Meddle. Much of this material is written by Roger and David together, although my favourite track (Mudmen) is a David/Rick pairing. There's are also two very unusual Roger/Rick songs; Burning Bridges, which uses the same melody as Mudmen, except with lyrics set to it; and Stay, which is a simply phenomenal combination of Rick's piano style and Roger's lyrics.

As well as the songwriting, the album's sound also contains hints of things to come the following year. This is the first Pink Floyd album with significant use of synthesiser, which Roger, David and Rick took turns operating; a premonition of the heavily synth-driven "On the Run" that would appear on their next studio album.

The album, as a whole, works much better than the soundtrack album for More. Side A is very solid, without any filler or bad tracks. Obscured by Clouds/When You're In is a strong instrumental combo to open things up, followed by three quite different songs. Burning Bridges is slow and reflective, putting David/Rick vocal harmonies to good use, while The Gold It's in The... is a merry, uptempo number about enjoying life ("they say there's gold but I'm looking for thrills"). Wot's... Uh the Deal? is another reflective song about... well, as far as I can tell, about going through life itself. Mudmen is a fantastic side closer, an instrumental with excellent organ and guitar work.

I don't much like Childhood's End or Free Four, but even here, there's a certain maturity to the songwriting that you wouldn't find on, say, Ummagumma. Stay is another slow, reflective tune, this time piano-driven, and is the only song on the album with Rick singing lead. I really like this, and it's the highlight of side B for me. Absolutely Curtains rounds things off with some ambient organ, synth, electric piano and percussion work, slowly fading out into chanting from the Mapuga tribe.

This album, better than anything else so far, highlights the change in direction Pink Floyd had taken in the past three years. The More soundtrack was full of ambient incidental music, along with some attempts at songwriting, with mixed results. This album is much more song-focused, with much more directed lyrics and mature melodies. It's hardly essential Floyd, mainly just because it was preceded and followed by much better albums, but it's worth a listen if you're looking for something different.

1958
You can't get something that is objectively better than an HDD because you can't afford it. It's the system keeping you down, man.

Also, Tom Bishop informed me being too poor for things is your fault.

Even if I could afford it, I wouldn't, because this isn't a case of "it costs too much", it's a case of "a 1 TB SSD costs more than double what I paid for a 4 TB hard drive". That's more than an eight-fold difference in price per unit capacity. That's not worth minor noise, power and heat gains.

In terms of value for money, HDDs do win economically, unless you need low-latency I/O.

1960
It makes sense to put everything on an SSD. Quieter, less energy usage, less heat. The only reason you're not using an SSD for everything is because HDDs are cheaper. That is literally the only reason.

Well, yes. Is there something wrong with that?

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