Re: [zfs-discuss] integrated failure recovery thoughts (single-bit correction)

2008-08-12 Thread Mario Goebbels (iPhone)
I suppose an error correcting code like 256bit Hamming or Reed-Solomon can't substitute as reliable checksum on the level of default Fletcher2/4? If it can, it could be offered as alternative algorithm where necessary and let ZFS react accordingly, or not? Regards, -mg On 12-août-08, at 08:

Re: [zfs-discuss] ZFS configuration and performance questions.

2008-08-11 Thread Mario Goebbels (iPhone)
Diskspace may be lost on redundacy, but there's still two or more devices in the mirror. Read requests can be spread across these. -- Via iPhone 3G On 11-août-08, at 11:07, Martin Svensson <[EMAIL PROTECTED] m> wrote: > I read this (http://blogs.sun.com/roch/entry/when_to_and_not_to) > blog

Re: [zfs-discuss] Checksum error: which of my files have failed scrubbing?

2008-08-05 Thread Mario Goebbels (iPhone)
Possibly metadata. Since that's however redundant due to ditto blocks (2 or 3 copies depending on importance), it was repaired during the scrub. -- Via iPhone 3G On 05-août-08, at 21:11, soren <[EMAIL PROTECTED]> wrote: >> soren wrote: >>> ZFS has detected that my root filesystem has a >> sm

Re: [zfs-discuss] zpool upgrade wrecked GRUB

2008-08-04 Thread Mario Goebbels (iPhone)
The first attempt at this went well... Anyway, he meant updating to the latest Indiana repo, which is based on snv_94. Regards, -mg -- Via iPhone 3G On 04-août-08, at 19:46, Lori Alt <[EMAIL PROTECTED]> wrote: > Seymour Krebs wrote: >> Machine is running x86 snv_94 after recent upgrade from

Re: [zfs-discuss] zpool upgrade wrecked GRUB

2008-08-04 Thread Mario Goebbels (iPhone)
-- Via iPhone 3G On 04-août-08, at 19:46, Lori Alt <[EMAIL PROTECTED]> wrote: >> >> >> > I'll try to help, but I'm confused by a few things. First, when > you say that you upgraded from OpenSolaris 2008.05 to snv_94, > what do you mean? Because I'm not sure how one "upgrades" > an IPS-based re