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...speed once after users are logged in (also for users who encounter the "slow login" problem). after reading through old postings, we have disabled oplocks and level2 oplocks, also Kernel oplocks, with no success. we made a new share containing only the database file (which is about 410MB in size), with no success. after comparing the old 2.x setup with the new one, we noticed that on 2.x (where everything ran smooth) guest access was enabled and everybody was accessing the DB as user "nobody" of group "nogroup", so we tried the same setup on our 3.x server,...

...r users who encounter the "slow login" > > problem). > > > > after reading through old postings, we have disabled oplocks and level2 > > oplocks, also Kernel oplocks, with no success. we made a new share > > containing only the database file (which is about 410MB in size), with no > > success. after comparing the old 2.x setup with the new one, we noticed > > that on 2.x (where everything ran smooth) guest access was enabled and > > everybody was accessing the DB as user "nobody" of group "nogroup", so we > > t...

We upgraded from a 10/100Mbs to a 2 100/1000 bonding. We notice the speeds of NFS to be around 70-80Mb/sec. Which is slow, especially with bonding. I was wondering if we need to tune anything special with the Network and NFS. Does anyone have any experience with this? TIA

...-disk RAID0 on Linux returns about 190MB/s write and 245MB/sec read, while a ZFS raidz using the same disks returns about 120MB/sec write, but 420MB/sec read. * 16-disk RAID10 on Linux returns 165MB/sec and 440MB/sec write and read, while a ZFS pool with 8 mirrored disks returns 140MB/sec write and 410MB/sec read. * 16-disk RAID6 on Linux returns 126MB/sec write, 162MB/sec read, while a 16-disk raidz2 returns 80MB/sec write and 142MB/sec read. The biggest problem I am having understanding "why is it so", is because I was under the impression with ZFS''s CoW, etc, that writing (*e...