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slackophage
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Registered: 11/16/06
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Loc: Seattleish
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Re: deleting ubuntu? [Re: TheCow]
#7729753 - 12/07/07 05:29 PM (16 years, 1 month ago) |
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Shitty? How so? I've seen XFS clusters that would tend to disagree.
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TheCow
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eh i just wanted to be confrontational. But isn't that the file system where if your power gets cut out mid file operation your shit is fucked?
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slackophage
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Re: deleting ubuntu? [Re: TheCow]
#7729784 - 12/07/07 05:35 PM (16 years, 1 month ago) |
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Ah, cause I've never heard any complaints about XFS outside severe slowness when the disk gets near 100% capacity or dealing with lots of tiny files.
Quite opposite though, you're thinking of a non-journaling file system like Ext2, Old UFS, FAT, those don't like to be derailed.
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TheCow
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Well XFS is a journaling system, but it stores its shit in a cache and only writes it when it wants to or some such business. So if your computer gets unplugged suddenly, you might be fucked
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slackophage
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Re: deleting ubuntu? [Re: TheCow]
#7729816 - 12/07/07 05:42 PM (16 years, 1 month ago) |
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Quoth the Wikipedia:
Quote:
XFS provides journaling for file system metadata, where file system updates are first written to a serial journal before the actual disk blocks are updated. The journal is a circular buffer of disk blocks that is never read in normal filesystem operation. It can be stored within the data section of the filesystem (an internal log), or on a separate device to minimise disk contention. On XFS the journal contains 'logical' entries that describe at a high level what operations are being performed, as opposed to other filesystems with 'physical' journals that store a copy of the blocks modified during each transaction. Journal updates are performed asynchronously to avoid incurring a performance penalty. In the event of a system crash, operations immediately prior to the crash can be redone using data in the journal, which allows XFS to guarantee file system consistency.
So in short, yes...but the cache is on disk and is recovered at next mount.
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TheCow
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So you think the cache isn't stored in RAM at all then? I guess the cats at linuxforums misinformed me
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slackophage
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Re: deleting ubuntu? [Re: TheCow]
#7729867 - 12/07/07 05:51 PM (16 years, 1 month ago) |
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I think they may have their terms mixed up? Linux maintains an aggresive filesystem cache for performance, but I wasn't aware of any delayed writes to the file system driver. If this is happening, it's a Linux thing and can probably be turned off. I doubt it though, as that would seriously defeat the effect all journaling file systems. They work by writing that data to disk in some manner, if they didn't it'd be pointless.
I've ran numerous XFS installations, on Linux and IRIX with no data loss because of power failures. Even once on a laptop I used for wardriving. I had to kill power suddenly on it many times and never lost the tail end of the packet captures
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TheCow
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well shit negro. I use that ext3 bullshit, but honestly on some realshit man, that shit is slow as fuck. Bitch takes like 10 seconds on some deletin scheme, I cant have that man, deletion needs to take no more then a fucking second. Hows that Reiser nigger makin out? He got a new system out yet?
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slackophage
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Re: deleting ubuntu? [Re: TheCow]
#7729894 - 12/07/07 05:57 PM (16 years, 1 month ago) |
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He's in jail, allegedly murdered his wife.
He told them they could just recover the journal, but they don't understand technology.
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automan
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Registered: 09/18/03
Posts: 8,272
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i use ext3 for my / and xfs for /media. / is 20GB and /media is 750GB. i've never had a problem
-------------------- No, no, you're not thinking, you're just being logical. ~ Niels Bohr
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TheCow
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Re: deleting ubuntu? [Re: automan]
#7732132 - 12/08/07 07:25 AM (16 years, 1 month ago) |
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Just out of curiosity then, why do you use ext3 for your root? Also can XFS interact with windows? I mean, say your 750 gig media drive was portable, could I plug it into a windows machine and pull songs off there?
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automan
blasted chipmunk


Registered: 09/18/03
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Re: deleting ubuntu? [Re: TheCow]
#7732353 - 12/08/07 09:19 AM (16 years, 1 month ago) |
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windows doesn like anything that windows didnt create, that includes xfs.
i didnt use xfs as my root because not too long ago, you couldnt boot off xfs. i think that is fixed now, though.
-------------------- No, no, you're not thinking, you're just being logical. ~ Niels Bohr
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HELLA_TIGHT
Madge the Smoking Vag



Registered: 08/19/03
Posts: 84,387
Loc: Afghanistan
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Re: deleting ubuntu? [Re: beneath]
#7733669 - 12/08/07 03:21 PM (16 years, 1 month ago) |
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Quote:
beneath said: yeah, so it's still giving me the choice of choosing to boot with ubuntu or XP when i start my computer how can i stop that so when i turn it on it just goes to XP?
Boot with a Windows XP disk, when it prompts you for a repair, select that. Then type fixmbr
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