Re: [BackupPC-users] Best FS for BackupPC

2011-05-27 Thread Ralf Gross
Holger Parplies schrieb: Hi, Carl Wilhelm Soderstrom wrote on 2011-05-26 06:05:48 -0500 [Re: [BackupPC-users] Best FS for BackupPC]: On 05/26 12:20 , Adam Goryachev wrote: BTW, specifically related to backuppc, many years ago, reiserfsck was perfect as it doesn't have any concept

Re: [BackupPC-users] Best FS for BackupPC

2011-05-26 Thread Carl Wilhelm Soderstrom
On 05/26 12:20 , Adam Goryachev wrote: BTW, specifically related to backuppc, many years ago, reiserfsck was perfect as it doesn't have any concept or limit on 'inodes'... Same for mail and news (nntp) servers. Do XFS/JFS have this feature? I'll look into these things another day, when I have

Re: [BackupPC-users] Best FS for BackupPC

2011-05-26 Thread Holger Parplies
Hi, Carl Wilhelm Soderstrom wrote on 2011-05-26 06:05:48 -0500 [Re: [BackupPC-users] Best FS for BackupPC]: On 05/26 12:20 , Adam Goryachev wrote: BTW, specifically related to backuppc, many years ago, reiserfsck was perfect as it doesn't have any concept or limit on 'inodes'... Same

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Michael Stowe
On 24/05/2011 11:25 PM, Michael Stowe wrote: I did a relatively short filesystem comparison when I moved my BackupPC pool to another set of drives. The high level results: jfs, xfs: quick, stable reiserfs: not stable ext4: slow ext3: very slow The not stable designation

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Les Mikesell
On 5/25/2011 8:40 AM, Michael Stowe wrote: 2) It does sometimes have problems resurrecting the filesystem when it has been corrupted, I did lose *one* home directory out of 400 once upon a time (about 9 years ago...) Like I said, a filesystem that loses data *sometimes* doesn't really

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Michael Stowe
On 5/25/2011 8:40 AM, Michael Stowe wrote: 2) It does sometimes have problems resurrecting the filesystem when it has been corrupted, I did lose *one* home directory out of 400 once upon a time (about 9 years ago...) Like I said, a filesystem that loses data *sometimes* doesn't really

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Les Mikesell
On 5/25/2011 10:12 AM, Michael Stowe wrote: To be fair, those sometimes are crash situations and it is also a good idea to run hardware/operating systems/UPS's, that... don't cause that problem. And to have an offsite copy for the things you can't control. I'm not arguing against either

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Holger Parplies
choice - at least up to now. So I certainly don't disagree with your results, but I do partly disagree with your reasoning and interpretations. Michael Stowe wrote on 2011-05-25 08:40:10 -0500 [Re: [BackupPC-users] Best FS for BackupPC]: [Adam wrote:] On 24/05/2011 11:25 PM, Michael Stowe

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Michael Stowe
So I certainly don't disagree with your results, but I do partly disagree with your reasoning and interpretations. Err, actually, you don't ... or perhaps more accurately, I don't disagree with any of the points you make, so rather than agree with everything you said individually, I'll skip

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Les Mikesell
On 5/25/2011 1:46 PM, Michael Stowe wrote: I'm really suggesting that the experience of somebody who has run a file system for a period of time without (for example) a power failure is likely to have little to contribute to answer the question on how stable a file system is during a power

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Adam Goryachev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 My only other comment I forgot to make in my original response, were the same options enabled for each of the tested filesystems. Some filesystems by default enable data and metadata journalling, while others require an option to enable this (AFAIK).

Re: [BackupPC-users] Best FS for BackupPC

2011-05-25 Thread Adam Goryachev
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 26/05/11 04:59, Les Mikesell wrote: On 5/25/2011 1:46 PM, Michael Stowe wrote: I'm really suggesting that the experience of somebody who has run a file system for a period of time without (for example) a power failure is likely to have little

[BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Marcos Lorenzo de Santiago
Hi everyone, I'm doing some benchmarks with BackupPC and I wanted to ask here about the filesystems you are using and why. Which one do you think is best for BackupPC? I saw on the documentation that some users found Reiser is better than ext3: [docu] Several users have reported

Re: [BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Sorin Srbu
-Original Message- From: Marcos Lorenzo de Santiago [mailto:mlore...@andago.com] Sent: Tuesday, May 24, 2011 11:53 AM To: BackupPC-users@lists.sourceforge.net Subject: [BackupPC-users] Best FS for BackupPC I'm doing some benchmarks with BackupPC and I wanted to ask here about

Re: [BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Michael Stowe
I did a relatively short filesystem comparison when I moved my BackupPC pool to another set of drives. The high level results: jfs, xfs: quick, stable reiserfs: not stable ext4: slow ext3: very slow The not stable designation comes from power-off-during-write tests. Other

Re: [BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Jeffrey J. Kosowsky
Michael Stowe wrote at about 08:25:35 -0500 on Tuesday, May 24, 2011: I did a relatively short filesystem comparison when I moved my BackupPC pool to another set of drives. The high level results: jfs, xfs: quick, stable reiserfs: not stable ext4: slow ext3: very

Re: [BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Tod Detre
On Tue, May 24, 2011 at 5:52 AM, Marcos Lorenzo de Santiago mlore...@andago.com wrote: Which one do you think is best for BackupPC? One of the main reasons I like xfs is the tool xfs_copy. This will allow you to copy a backuppc pool filesystem quickly and efficiently. BackupPC pools have too

Re: [BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Sorin Srbu
-Original Message- From: Jeffrey J. Kosowsky [mailto:backu...@kosowsky.org] Sent: Tuesday, May 24, 2011 3:59 PM To: mst...@chicago.us.mensa.org; General list for user discussion, questions and support Subject: Re: [BackupPC-users] Best FS for BackupPC Any idea which particular file

Re: [BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Timothy J Massey
Tod Detre tod.de...@maine.edu wrote on 05/24/2011 09:48:07 AM: On Tue, May 24, 2011 at 5:52 AM, Marcos Lorenzo de Santiago mlore...@andago.com wrote: Which one do you think is best for BackupPC? One of the main reasons I like xfs is the tool xfs_copy. This will allow you to copy a

Re: [BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Marcos Lorenzo de Santiago
yTod Detre tod.de...@maine.edu wrote [9:48am -0400] TD On Tue, May 24, 2011 at 5:52 AM, Marcos Lorenzo de Santiago TD mlore...@andago.com wrote: TD TD Which one do you think is best for BackupPC? TD TD One of the main reasons I like xfs is the tool xfs_copy. This will

Re: [BackupPC-users] Best FS for BackupPC

2011-05-24 Thread Michael Stowe
Michael Stowe wrote at about 08:25:35 -0500 on Tuesday, May 24, 2011: I did a relatively short filesystem comparison when I moved my BackupPC pool to another set of drives. The high level results: jfs, xfs: quick, stable reiserfs: not stable ext4: slow ext3: