Re: [zfs-discuss] Mysterious corruption with raidz2 vdev (1 checksum err on disk, 2 on vdev?)

2007-07-29 Thread Tomas Ögren
On 28 July, 2007 - Marc Bevand sent me these 0,7K bytes: > Matthew Ahrens sun.com> writes: > > > > So the errors on the raidz2 vdev indeed indicate that at least 3 disks > > below > > it gave the wrong data for a those 2 blocks; we just couldn't tell which 3+ > > disks they were. > > Somethi

Re: [zfs-discuss] 7zip compression?

2007-07-29 Thread Marc Bevand
MC eastlink.ca> writes: > > Obviously 7zip is far more CPU-intensive than anything in use with ZFS > today. But maybe with all these processor cores coming down the road, > a high-end compression system is just the thing for ZFS to use. I am not sure you realize the scale of things here. Assumi

Re: [zfs-discuss] Will "de-duplication" be added?

2007-07-29 Thread Mike Gerdts
On 7/29/07, Lance Brown <[EMAIL PROTECTED]> wrote: > Does anybody know if native block level replication or block level > "de-duplication" as NetApp calls it will be added? This has been discussed a bit in recent threads. http://www.google.com/search?hl=en&q=%22zfs-discuss%22+site%3Amail.opensol

[zfs-discuss] Will "de-duplication" be added?

2007-07-29 Thread Lance Brown
Does anybody know if native block level replication or block level “de-duplication” as NetApp calls it will be added? This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailma

Re: [zfs-discuss] Need a ZFS design template excel-like sheet

2007-07-29 Thread Itay Menahem
Hey Richard, Thanks for your detailed response, it really helped us finding our way. Me and my staff are quite familiar with the zpool/zfs commands. The thing is that we wanted a 'zfs & x4500' workplan document, before we'll continue to the next step which is creating the pools/file systems. I

[zfs-discuss] 7zip compression?

2007-07-29 Thread MC
On the heels of the LZO compression thread, I bring you a 7zip compression thread! Shown here as the open source system with the best compression ratio: http://en.wikipedia.org/wiki/Data_compression#Comparative Shown here on a SPARC system with the best compression ratios and good CPU usage: h