From: Andrei Borzenkov <arvidjaar@gmail.com>
To: "David C. Partridge" <david.partridge@perdrix.co.uk>,
'Qu Wenruo' <quwenruo.btrfs@gmx.com>,
linux-btrfs@vger.kernel.org
Subject: Re: Problems with BTRFS formatted disk
Date: Sun, 19 Jun 2022 22:06:14 +0300 [thread overview]
Message-ID: <cbc6be27-fa40-f5e3-657b-742e274dceec@gmail.com> (raw)
In-Reply-To: <000c01d883e7$1757e570$4607b050$@perdrix.co.uk>
On 19.06.2022 17:15, David C. Partridge wrote:
> I can't "grab what I can" as I don't have enough TB to copy the data I want to save ☹
>
> Does it make any sense to try:
>
> mount -o remount,rw /mnt
> btrfs subvolume delete /mnt/@
> btrfs subvolume delete /mnt/@_daily.20220525_00:11:01
> btrfs subvolume delete /mnt/@_daily.20220526_00:11:01
> btrfs subvolume delete /mnt/@_hourly.20220526_06:00:01
> btrfs subvolume delete /mnt/@_hourly.20220526_09:00:01
> btrfs subvolume delete /mnt/@_hourly.20220526_12:00:01
>
> mv /mnt/@_daily.20220524_00:11:01 /mnt/@
>
> or is that doomed to total failure?
>
> The disks behind the raid card are all Western Digital WD4001FYYG SAS drives
>
Is write caching enabled for these disks? I know that it is default for
some RAID cards (at least, for some profiles).
For disks behind RAID controller write caching is normally managed by
RAID controller itself.
next prev parent reply other threads:[~2022-06-19 19:06 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-18 18:55 Problems with BTRFS formatted disk David C. Partridge
2022-06-18 23:00 ` Qu Wenruo
2022-06-19 1:33 ` David C. Partridge
2022-06-19 2:01 ` Qu Wenruo
2022-06-19 10:29 ` David C. Partridge
2022-06-19 10:40 ` Qu Wenruo
2022-06-19 11:14 ` David C. Partridge
2022-06-19 11:51 ` Qu Wenruo
2022-06-19 12:53 ` David C. Partridge
2022-06-19 13:21 ` Qu Wenruo
2022-06-19 13:26 ` David C. Partridge
2022-06-19 13:30 ` Qu Wenruo
2022-06-19 14:15 ` David C. Partridge
2022-06-19 19:06 ` Andrei Borzenkov [this message]
2022-06-19 20:06 ` David C. Partridge
2022-06-20 0:38 ` Qu Wenruo
2022-06-20 1:01 ` Wang Yugui
2022-06-20 2:04 ` Qu Wenruo
2022-06-20 2:12 ` Wang Yugui
2022-06-20 2:12 ` Qu Wenruo
2022-06-20 8:19 ` David C. Partridge
2022-06-19 21:40 ` Qu Wenruo
2022-06-20 8:17 ` David C. Partridge
2022-06-19 1:37 ` David C. Partridge
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