Re[2]: [zfs-discuss] ditto blocks for use data integrated in b61

2007-03-21 Thread Robert Milkowski
Hello Richard, Wednesday, March 21, 2007, 6:23:05 PM, you wrote: RE> Robert Milkowski wrote: RE> Wouldn't that fall under the generic rewrite/shrink functionality we're also RE> anxiously waiting for? Note that this also brings up a nasty edge case where RE> the rewrite may cause you to run ou

Re: [zfs-discuss] ditto blocks for use data integrated in b61

2007-03-21 Thread Matthew Ahrens
Richard Elling wrote: Robert Milkowski wrote: Hello Richard, Wednesday, March 21, 2007, 1:48:23 AM, you wrote: RE> Yes, PSARC 2007/121 integrated into build 61 (and there was much rejoicing :-) RE> I'm working on some models which will show the affect on various RAID RE> configurations and i

Re: [zfs-discuss] ditto blocks for use data integrated in b61

2007-03-21 Thread Richard Elling
Robert Milkowski wrote: Hello Richard, Wednesday, March 21, 2007, 1:48:23 AM, you wrote: RE> Yes, PSARC 2007/121 integrated into build 61 (and there was much rejoicing :-) RE> I'm working on some models which will show the affect on various RAID RE> configurations and intend to post some resul

Re[2]: [zfs-discuss] ditto blocks for use data integrated in b61

2007-03-20 Thread Robert Milkowski
Hello Richard, Wednesday, March 21, 2007, 1:48:23 AM, you wrote: RE> Yes, PSARC 2007/121 integrated into build 61 (and there was much rejoicing :-) RE> I'm working on some models which will show the affect on various RAID RE> configurations and intend to post some results soon. Suffice to say,

Re: [zfs-discuss] ditto blocks for use data integrated in b61

2007-03-20 Thread Richard Elling
Yes, PSARC 2007/121 integrated into build 61 (and there was much rejoicing :-) I'm working on some models which will show the affect on various RAID configurations and intend to post some results soon. Suffice to say, if you have a stripe with > 1 disk, you might be able to survive loss of a disk

[zfs-discuss] ditto blocks for use data integrated in b61

2007-03-20 Thread Robert Milkowski
Hello zfs-discuss, http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6459491 I guess some people here will be happy :) ps. now think about all these questions: what do you think about HW RAID5 LUNs with raidz2 on top of this with ditto block set to 3? Or maybe 2 would be good