Re: uncorrectable errors in Raid 10

> On Sun, Nov 19, 2017 at 12:31 PM, Steffen Sindzinski > wrote: > >> [57830.611730] BTRFS warning (device sdc2): checksum/header error at logical >> 17478699876352 on dev /dev/sdd2, sector 338986176: metadata leaf (level 0) >> in tree 318 >> [57830.611732] BTRFS warning

Re: Unrecoverable scrub errors

I guess not using RAID-0 would be a good start… Vennlig hilsen roy -- Roy Sigurd Karlsbakk (+47) 98013356 http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- Hið góða skaltu í stein höggva, hið illa í snjó rita. - Original Message - > F

Re: Tiered storage?

but I've worked with ZFS a while, and haven't seen those issues there. Vennlig hilsen roy -- Roy Sigurd Karlsbakk (+47) 98013356 http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- Hið góða skaltu í stein höggva, hið illa í snjó rita. -- To unsubscribe fro

Tiered storage?

data on the fast storage). And btw, how far is raid[56] and block-level dedup from something useful in production? Vennlig hilsen roy -- Roy Sigurd Karlsbakk (+47) 98013356 http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- Hið góða skaltu í stein

RAID-[56]?

… -- Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 r...@karlsbakk.net http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle

Re: [GIT PULL] Btrfs updates

[ sorry, resend. My lbdb autocompleted with an extra r in kernel.org ] Hi everyone, My for-linus branch has a big set of fixes and features: Does this include raid-[56]? Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 r...@karlsbakk.net http

btrfs wishlist

Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller

raid5 - again

hi It's been some two years since I read about the becoming of raid5 etc in btrfs. Since the code is available in linux, why isn't this already in btrfs? Is Oracle holding back? -- Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http

Question of stability

, but still I can't see anything in the open. Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å

Re: Question of stability

- Original Message - On Sat, Sep 18, 2010 at 11:37 PM, Roy Sigurd Karlsbakk r...@karlsbakk.net wrote: Hi all I've been on this list for a year or so, and I have been following progress for some more. Are there any chances of btrfs stabilizing, as in terms of usability

Re: Question of stability

reason for btrfs to exist is to bring something new into the Linux world, and if those features aren't stable, then btrfs isn't. It's as simple as that. Would you buy a Subaru (or something) 4wd with a 2wd working? Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r

Re: remote mirroring in the works?

/ - that'll mirror the block device(s) on which btrfs resides. Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle

Re: remote mirroring in the works?

-- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller

Re: Poor performance (1/4 that of XFS) when appending to lots of files

of a primary key (an integer in the range of 0 to 1,000,000) and a random number of arbitrary data bytes (length in the range from 10 to 1000 byte). snip/ Can you share the code for this benchmark, please? Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http

RAID[56] status?

Hi all It's about a year now since I saw the first posts about RAID[56] in Btrfs. Has this gotten any further? Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres

raild[56] again

Hi all Is raid[56] coming to btrfs? There was some talk about it a year back or so, but I haven't seen anything yet Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres

Re: Updating RAID[56] support

- David Woodhouse dw...@infradead.org skrev: I've been looking again at the RAID5/RAID6 support, and updated the tree at git://git.infradead.org/users/dwmw2/btrfs-raid56.git#merged At the moment, we limit writes to a single disk's worth at a time, which means we _always_ do the

Btrfs features/stabilisation timeline?

takes up a very high amount of I/O, significantly reducing disk performance for the zpool (at least this is the case for 2009.06 and Solaris 10). Will there be done efforts to help avoding this with Btrfs? Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http

Re: RAID[56] with arbitrary numbers of parity stripes.

into lib/. Seems something is in the works. By the way - how does FUSE ZFS work? Is it stable? Good performance? We're using ZFS natively on Solaris 10 now, perhaps moving the storage to opensolaris soon. roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http

Re: RAID[56] status

-- To unsubscribe from this list: send the line unsubscribe linux- btrfs in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er

Snapshot removal++?

Hi Is snapshot removal possible yet? Also, is there any grub support yet? I'd be nice to be able to boot off a btrfs mirror roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt

Re: Offtopic: Which SAS / SATA HBA do you recommend?

in their opensolaris-based storage solution http://www.newegg.com/Product/Product.aspx?Item=N82E16815121009 roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært

Re: raidz-like operation?

On 11. juli. 2009, at 16.59, David Woodhouse wrote: On Fri, 2009-07-10 at 10:58 +0200, Roy Sigurd Karlsbakk wrote: I know it's not in yet, but is there a plan to implement raid-z(2)- like operation? I have heard of plans to integrate with the existing md-subsystem in the kernel, but I'm

raidz-like operation?

Hi I know it's not in yet, but is there a plan to implement raid-z(2)- like operation? I have heard of plans to integrate with the existing md-subsystem in the kernel, but I'm not sure if this will be appropriate comparing this to how things are done in zfs/raid-z. roy -- Roy Sigurd

Re: Using SSDs for caching?

On 18. juni. 2009, at 15.56, Roy Sigurd Karlsbakk wrote: Hi all I have heard/read about systems from Sun and NetApp using SDs for caching. Sun uses different SDs for read and write caching (one being faster for reads and the other for writes). The storage solution from Sun is based

Re: Using SSDs for caching?

On 18. juni. 2009, at 17.55, Tomasz Torcz wrote: On Thu, Jun 18, 2009 at 03:56:23PM +0200, Roy Sigurd Karlsbakk wrote: I have heard/read about systems from Sun and NetApp using SDs for caching. Sun uses different SDs for read and write caching (one being faster for reads and the other

Re: New experimental btrfs branch ready for testing

newformat fatal: Not a git repository Have this code been removed, or is it me doing something funny? roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ