Re: [zfs-discuss] zfs diff performance

2012-02-27 Thread Ulrich Graef
gards, Ulrich -- Ulrich Graef / Principal Sales Consultant / Phone: + 49 6103 752 359 ORACLE Deutschland B.V.& Co. KG / Amperestr. 6 / 63225 Langen http://www.oracle.com ORACLE Deutschland B.V.& Co. KG Hauptverwaltung: Riesstr. 25, D-80992 Muenchen Registergericht: Amtsgericht Muench

Re: [zfs-discuss] Deleting large amounts of files

2010-07-21 Thread Ulrich Graef
an use smaller blocks, metadata is usually compressed and in the dedup table it is possible, that a dedup block compresses well, when only one slot on a block is used, then a 128k block (logical) can be stored in a 2k physical block. Regards, Ulrich -- Ulrich Graef / Sales Consultant / Hardware P

Re: [zfs-discuss] zfs raidz1 and traditional raid 5 perfomrance comparision

2010-07-21 Thread Ulrich Graef
v idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- Ulrich Graef /

[zfs-discuss] ? ZFS encryption with root pool

2009-04-30 Thread Ulrich Graef
According: ZFS encryption Will it be possible to have an encrypted root pool? Integration with TPM? Regards, Ulrich -- | Ulrich Graef, Senior System Engineer, OS Ambassador\ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] ZFS vs HardWare raid - data integrity?

2009-01-02 Thread Ulrich Graef
you have 1000 disks in your datacenter, you will have at least one of these errors each day... Therfore: Use ZFS in a redundant configuration! Regards, Ulrich -- | Ulrich Graef, Senior System Engineer, OS Ambassador\ | Operating Systems, Performance \ Platform Technology \ |

Re: [zfs-discuss] ? ZFS boot in nv88 on SPARC ?

2008-04-29 Thread Ulrich Graef
Ulrich Graef wrote: > Hi, > > ZFS won't boot on my machine. > > I discovered, that the lu manpages are there, but not > the new binaries. > So I tried to set up ZFS boot manually: > > >> zpool create -f Root c0t1d0s0 >> >> lucreate -n nv88_zf

[zfs-discuss] ? ZFS boot in nv88 on SPARC ?

2008-04-29 Thread Ulrich Graef
mount root Fast Data Access MMU Miss Same with: boot disk1 -Z Root/nv88_zfs What is missing in the setup? Unfortunately opensolaris contains only the preliminary setup for x86, so it does not help me... Regards, Ulrich -- | Ulrich Graef, Senior System Engineer, OS Ambassador

[zfs-discuss] ? zfs import with lots of volumes ?

2008-04-15 Thread Ulrich Graef
Does anybody has a guess how it takes to import one zpool with lots of LUNs? Our plan is to use ~ 400 LUNs in raidz 6+1 configuration in one large pool. Regards, Ulrich -- | Ulrich Graef, Senior System Engineer, OS Ambassador\ | Operating Systems, Performance \ Platform

[zfs-discuss] !

2006-12-22 Thread Ulrich Graef
restore his data, which can be traced back to such a disk error. These are always nasty problems and it gets nastier, because customers have more and more data and there is a trend to save money on backup/restore infrastructures which make it hurt to restore data. Regards, Ulrich -- | Ulrich