From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>,
Maximilian Hill <mhill@inett.de>
Subject: Re: [pve-devel] [PATCH qemu-server] fix #3329: turn on cache=writeback for efidisks on rbd
Date: Wed, 16 Jun 2021 15:34:24 +0200 [thread overview]
Message-ID: <37ba5e5d-ccc4-7160-4d2b-0305058ac34f@proxmox.com> (raw)
In-Reply-To: <YMn7szm3nmk+OzV9@inett.de>
hi,
On 16.06.21 15:25, Maximilian Hill wrote:
> On Wed, Jun 16, 2021 at 03:09:33PM +0200, Dominik Csapak wrote:
>> on slower ceph clusters, the write pattern of the ovmf booting process
>> slows down the boot of the vm, so we turn on caching by default
>>
>> + my $cache = "";
>> + if ($path =~ m/^rbd:/) {
>> + $cache = ',cache=writeback';
> does this work, evven if the rbd storage is not called "rbd"?
yes, this has nothing to do with the storage name, the path is already translated here
and "rbd:" tells QEMU to use librdb for accessing this image.
next prev parent reply other threads:[~2021-06-16 13:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-16 13:09 Dominik Csapak
2021-06-16 13:25 ` Maximilian Hill
2021-06-16 13:34 ` Thomas Lamprecht [this message]
2021-06-16 13:47 ` [pve-devel] applied: " Thomas Lamprecht
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