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== Virtualbox ==
===High I/O causing filesystem corruption===
It seems during times of high I/O, like backups and etc, the guest filesystem resets to read-only. You can have the following errors in log
Apr 30 13:37:29 sme9 kernel: ata2.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x6 frozen
Apr 30 13:37:29 sme9 kernel: ata2.00: failed command: WRITE FPDMA QUEUED
Apr 30 13:37:29 sme9 kernel: ata2.00: cmd 61/08:00:08:7d:77/00:00:03:00:00/40 tag 0 ncq 4096 out
Apr 30 13:37:29 sme9 kernel: res 40/00:01:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
the workaround is to set virtualbox to use the host I/O disk cache : see settings/storage/controller and activate the option
= SME Server as a Host server =
= SME Server as a Host server =
== Phpvirtualbox ==
== Phpvirtualbox ==
