search for: x4500s

...lowing message: mismatched replication level: both 5-way and 6-way raidz vdevs are present mismatched replication level: both 6-way and 5-way raidz vdevs are present I expect this is correct.[1] But what does it mean for performance or other issues? Why am I being warned? The factory config for x4500s had the a raidz 5 and 6 disk vdev layout. [1] http://docs.sun.com/app/docs/doc/819-5461/gazgc?a=view -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.opensolaris.org/pipermail/zfs-discuss/attachments/20081209/79d22f7f/attachment.html>

G''day, all, So, I''ve decided to migrate my home server from Linux+swRAID+LVM to Solaris+ZFS, because it seems to hold much better promise for data integrity, which is my primary concern. However, naturally, I decided to do some benchmarks in the process, and I don''t understand why the results are what they are. I though I had a reasonable understanding of ZFS, but now

After applying 125205-07 on two X4500 machines running Sol10U4 and removing "set sata:sata_func_enable = 0x5" from /etc/system to re-enable NCQ, I am again observing drive disconnect error messages. This in spite of the patch description which claims multiple fixes in this area: 6587133 repeated DMA command timeouts and device resets on x4500 6538627 x4500 message logs contain multiple

...ng ''tar'' over ssh runs much faster (20MB/sec or more). is this slowness normal? is there any way to improve it? (the idea here is to use B as a backup of A, but if i can only replicate at 200KB/s, it''s not going to be able to keep up with the load...) both systems are X4500s with 16GB ram, 48 SATA disks and 4 2.8GHz cores. thanks, river. -----BEGIN PGP SIGNATURE----- iD8DBQFJE3k5IXd7fCuc5vIRAs2JAJ0W0dYVgfyNUXGWHbg59D5mQgq9jQCfWUsm 5/c8g4JMmtIj59mZ5ghkdIY= =QNG3 -----END PGP SIGNATURE-----