Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-06-02 Thread Chris Siebenmann
| My impression is that the only real problem with incrementals from | ufsdump or star is that you would like to have a database that tells | you in which incremental a specific file with a specific time stamp | may be found. In our situation here, this is done by the overall backup system

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-06-02 Thread Joerg Schilling
Chris Siebenmann [EMAIL PROTECTED] wrote: | My impression is that the only real problem with incrementals from | ufsdump or star is that you would like to have a database that tells | you in which incremental a specific file with a specific time stamp | may be found. In our situation here,

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-31 Thread Joerg Schilling
J.P. King [EMAIL PROTECTED] wrote: A cleanly written filesystem provides clean and abstract interfaces to do anything you like with the filesystem, it's content and metadata. In such an environment, there is no need for a utility that knows the disk layout (like ufsdump does). I'd like

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-31 Thread David Magda
On May 31, 2008, at 06:03, Joerg Schilling wrote: The other method works as root if you use -atime (see man page) and is available since 13 years. Would it be possible to assign an RBAC role to a regular user to accomplish this? If so, would you know which one? Historically backups ran as

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-31 Thread Mike Gerdts
On Sat, May 31, 2008 at 9:18 AM, David Magda [EMAIL PROTECTED] wrote: On May 31, 2008, at 06:03, Joerg Schilling wrote: The other method works as root if you use -atime (see man page) and is available since 13 years. Would it be possible to assign an RBAC role to a regular user to

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-31 Thread Joerg Schilling
David Magda [EMAIL PROTECTED] wrote: On May 31, 2008, at 06:03, Joerg Schilling wrote: The other method works as root if you use -atime (see man page) and is available since 13 years. Would it be possible to assign an RBAC role to a regular user to accomplish this? If so, would you

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-30 Thread Joerg Schilling
Thomas Maier-Komor [EMAIL PROTECTED] wrote: I very strongly disagree. The closest ZFS equivalent to ufsdump is 'zfs send'. 'zfs send' like ufsdump has initmiate awareness of the the actual on disk layout and is an integrated part of the filesystem implementation. star is a

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-30 Thread Joerg Schilling
Chris Siebenmann [EMAIL PROTECTED] wrote: The first issue alone makes 'zfs send' completely unsuitable for the purposes that we currently use ufsdump. I don't believe that we've lost a complete filesystem in years, but we restore accidentally deleted files all the time. (And snapshots are

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-30 Thread J.P. King
A cleanly written filesystem provides clean and abstract interfaces to do anything you like with the filesystem, it's content and metadata. In such an environment, there is no need for a utility that knows the disk layout (like ufsdump does). I'd like to take a backup of a live filesystem

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-30 Thread Jonathan Hogg
On 30 May 2008, at 15:49, J.P. King wrote: For _my_ purposes I'd be happy with zfs send/receive, if only it was guaranteed to be compatible between versions. I agree that the inability to extract single files is an irritation - I am not sure why this is anything more than an

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-30 Thread Rob Logan
I'd like to take a backup of a live filesystem without modifying the last accessed time. why not take a snapshot? Rob ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-30 Thread Rob Logan
Is there a way to efficiently replicating a complete zfs-pool including all filesystems and snapshots? zfs send -R -R Generate a replication stream package, which will replicate the specified filesystem, and

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-30 Thread Brandon High
On Fri, May 30, 2008 at 12:00 PM, Bill McGonigle [EMAIL PROTECTED] wrote: I'm curious - is the current stream format tagged with a version number? Richard Elling posted something about the send format on 5/14/2008: To date, the only incompatibility is with send streams created prior to Nevada

[zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Poulos, Joe
Is there a ZFS equivalent of ufsdump and ufsrestore? Will creating a tar file work with ZFS? We are trying to backup a ZFS file system to a separate disk, and would like to take advantage of something like ufsdump rather than using expensive backup software. Thanks for any

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Joerg Schilling
Poulos, Joe [EMAIL PROTECTED] wrote: Is there a ZFS equivalent of ufsdump and ufsrestore? Will creating a tar file work with ZFS? We are trying to backup a ZFS file system to a separate disk, and would like to take advantage of something like ufsdump rather than using expensive

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Darren J Moffat
Joerg Schilling wrote: Poulos, Joe [EMAIL PROTECTED] wrote: Is there a ZFS equivalent of ufsdump and ufsrestore? Will creating a tar file work with ZFS? We are trying to backup a ZFS file system to a separate disk, and would like to take advantage of something like ufsdump

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Joerg Schilling
Darren J Moffat [EMAIL PROTECTED] wrote: The closest equivalent to ufsdump and ufsrestore is star. I very strongly disagree. The closest ZFS equivalent to ufsdump is 'zfs send'. 'zfs send' like ufsdump has initmiate awareness of the the actual on disk layout and is an integrated part of

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Mark Shellenbaum
Joerg Schilling wrote: Darren J Moffat [EMAIL PROTECTED] wrote: The closest equivalent to ufsdump and ufsrestore is star. I very strongly disagree. The closest ZFS equivalent to ufsdump is 'zfs send'. 'zfs send' like ufsdump has initmiate awareness of the the actual on disk layout and

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Thomas Maier-Komor
Darren J Moffat schrieb: Joerg Schilling wrote: Poulos, Joe [EMAIL PROTECTED] wrote: Is there a ZFS equivalent of ufsdump and ufsrestore? Will creating a tar file work with ZFS? We are trying to backup a ZFS file system to a separate disk, and would like to take advantage of

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Jonathan Hogg
On 29 May 2008, at 15:51, Thomas Maier-Komor wrote: I very strongly disagree. The closest ZFS equivalent to ufsdump is 'zfs send'. 'zfs send' like ufsdump has initmiate awareness of the the actual on disk layout and is an integrated part of the filesystem implementation. star is a

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Chris Siebenmann
| I very strongly disagree. The closest ZFS equivalent to ufsdump is | 'zfs send'. 'zfs send' like ufsdump has initmiate awareness of the | the actual on disk layout and is an integrated part of the filesystem | implementation. I must strongly disagree in turn, at least for Solaris 10. 'zfs

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Ralf Bertling
] zfs equivalent of ufsdump and ufsrestore To: Darren J Moffat [EMAIL PROTECTED] Cc: zfs-discuss@opensolaris.org Message-ID: [EMAIL PROTECTED] Content-Type: text/plain; charset=ISO-8859-1; format=flowed I very strongly disagree. The closest ZFS equivalent to ufsdump is 'zfs send'. 'zfs

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Jonathan Hogg
On 29 May 2008, at 17:52, Chris Siebenmann wrote: The first issue alone makes 'zfs send' completely unsuitable for the purposes that we currently use ufsdump. I don't believe that we've lost a complete filesystem in years, but we restore accidentally deleted files all the time. (And