I'm running backuppc as a vm on xen. I use both vmware and xen for
virtualization and I can tell you truthfully that xen vm's are quite a bit
faster than the vmware ones. I was a little wary of this setup so I've really
been hitting it hard and the performance is better than expected ( 200gb in 3
hours).
>>> <[EMAIL PROTECTED]> 02/16/06 2:42 pm >>>
Guys,
I have recently been working on my BackupPC machine to try to get
backups running faster. I have discovered that during a backup the
BackupPC_dump processes takes about as much of the processor as it can
get. As a result I chucked a faster processor in to the machine (from a
1.7Ghz P4 to a 3.2Ghz P4) and noticed that in some cases the backups were
now cut down to almost half the time. So following on from that I am
considering getting a dual core processor (And a new motherboard to suit)
to improve the speed of the backup's even further. (I have already dropped
the compression down to 1, think that is most likely the reason behind
it).
Anyhow, with such a powerful processor I would hate to think of it just
sitting there when I'm not backing up doing nothing. I was considering
running the box up as a Windoze box and chucking VMware on it (The new
Free server product), giving it a few dedicated drive devices for the
backup pool, but keeping the base os on a virtual disk.... This would make
the OS a bit more portable and "Backup- able" so if I wanted to put it on a
different machine I could just copy the vmware image across. However I am
a little concerned that I will negate the entire benefit of the dual core
processor just be putting it on a VM. I know I could use VMWare for linux
and do it that way, but the main benefit I see in doing this is that I can
easily backup the virtual machine and once I have BackupPC (And Nagios on
this particular box) up and running then I won't have to worry about
rebuilding them again (Which I have had to do a few times due to some
hardware issues, and swapping drives around etc). I was just wondering
what other ppl's thoughts were about doing this out there?
The new VMWare version supports a gigabit virtual nic, which is previously
was a 10mb nic, that's what stopped me doing it earlier......
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