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Jul
26
comment Disk latency is growing since a few days ago, with no special change in disk throughput
SATA drives were originally aimed at non-RAID desktops and as such will continually retry when they encounter errors (unlike FC 'enterprise' drives which will immediately return an error) - so you could just be seeing the slow death of a drive here.
Jul
25
comment LDAP and pam without binddn and anonymous access
In theory, if all your users are in one OU, you could.
Jul
25
comment NETAPP Fragmentation
Huge topic - for example, are you using NFS or SAN. Have you ensured block alignment on your VMs? Are you using any cloning technologies? NetApps have historically had performance degredation - primarily when aggregates/volumes get full, but it's unlikely to be your biggest concern running a virtualised environment.