search for: balky

Displaying 5 results from an estimated 5 matches for "balky".

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2010 Feb 16
2
Speed question: 8-disk RAIDZ2 vs 10-disk RAIDZ3
I currently am getting good speeds out of my existing system (8x 2TB in a RAIDZ2 exported over fibre channel) but there''s no such thing as too much speed, and these other two drive bays are just begging for drives in them.... If I go to 10x 2TB in a RAIDZ3, will the extra spindles increase speed, or will the extra parity writes reduce speed, or will the two factors offset and leave things
2001 Nov 14
0
Fitting Pareto dist in a mixture
...use the Pareto density form f(x) = ( a * k^a ) / ( x^{a + 1} ) ; k > 0, a > 0, x >= k as part of a mixture with a lognormal. Reparametrizing the density to f(x) = ( a * k^a ) / ( (x + k)^{a + 1} ) ; k > 0, a > 0, x > 0 seems to help but the optimization routines remain balky and / or give convergences that do not make sense to me. (I understand that starting values, scales, etc. are very important.) I suspect that the support aspect of the Pareto ( i.e. f(x) > 0 only for x >= k ) imposes an indentifiability problem with the mixing proportion parameter. Again,...
2009 Apr 27
23
Raidz vdev size... again.
Hi, i''m new to the list so please bare with me. This isn''t an OpenSolaris related problem but i hope it''s still the right list to post to. I''m on the way to move a backup server to using zfs based storage, but i don''t want to spend too much drives to parity (the 16 drives are attached to a 3ware raid controller so i could also just use raid6 there). I
2010 Jul 30
0
ANNOUNCE: cifs-utils release 4.6 available for download
...ng initializer cifs.upcall.c:261:2: warning: (near initialization for ?in_creds.client?) cifs.upcall.c: In function ?main?: cifs.upcall.c:622:9: warning: missing initializer cifs.upcall.c:622:9: warning: (near initialization for ?arg.ver?) ...this is probably just gcc being balky, but we can silence the warning. It may also be a micro optimization in an error condition if we delay zeroing out the struct until it's needed. Signed-off-by: Jeff Layton <jlayton at samba.org> commit fb5d150aec004111a838a015bdc1309a6e539925 Author: Jeff Layton <jlay...
2009 Mar 28
53
Can this be done?
I currently have a 7x1.5tb raidz1. I want to add "phase 2" which is another 7x1.5tb raidz1 Can I add the second phase to the first phase and basically have two raid5''s striped (in raid terms?) Yes, I probably should upgrade the zpool format too. Currently running snv_104. Also should upgrade to 110. If that is possible, would anyone happen to have the simple command lines to