Re: SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Tim Woodall
On Mon, 26 Feb 2024, Andy Smith wrote: Hi, On Mon, Feb 26, 2024 at 06:25:53PM +, Tim Woodall wrote: Feb 17 17:01:49 xen17 vmunix: [3.802581] ata1.00: disabling queued TRIM support Feb 17 17:01:49 xen17 vmunix: [3.805074] ata1.00: disabling queued TRIM support from

Re: SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Andy Smith
Hi, On Mon, Feb 26, 2024 at 06:25:53PM +, Tim Woodall wrote: > Feb 17 17:01:49 xen17 vmunix: [3.802581] ata1.00: disabling queued TRIM > support > Feb 17 17:01:49 xen17 vmunix: [3.805074] ata1.00: disabling queued TRIM > support > > > from libata-core.c > > { "Samsung SSD 870*",

Re: SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Stefan Monnier
>>> You should not be running trim in a container/virtual machine >> Why not? That's, in my case, basically saying "you should not be running >> trim on a drive exported via iscsi" Perhaps I shouldn't be but I'd like >> to understand why. Enabling thin_provisioning and fstrim works and gets >>

Re: SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Gremlin
On 2/26/24 16:31, Tim Woodall wrote: On Mon, 26 Feb 2024, Gremlin wrote: re running fstrim in a vm. The Host system takes care of it I guess you've no idea what iscsi is. Because this makes no sense at all. systemd or no systemd. The physical disk doesn't have to be something the host

Re: SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Tim Woodall
On Mon, 26 Feb 2024, Gremlin wrote: re running fstrim in a vm. The Host system takes care of it I guess you've no idea what iscsi is. Because this makes no sense at all. systemd or no systemd. The physical disk doesn't have to be something the host system knows anything about. Here's a

Re: SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Gremlin
On 2/26/24 14:40, Tim Woodall wrote: On Mon, 26 Feb 2024, Gremlin wrote: Are you using systemd ? No, I'm not You should not be running trim in a container/virtual machine Why not? That's, in my case, basically saying "you should not be running trim on a drive exported via iscsi" Perhaps I

Re: SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Tim Woodall
On Mon, 26 Feb 2024, Gremlin wrote: Are you using systemd ? No, I'm not You should not be running trim in a container/virtual machine Why not? That's, in my case, basically saying "you should not be running trim on a drive exported via iscsi" Perhaps I shouldn't be but I'd like to

Re: SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Gremlin
On 2/26/24 13:25, Tim Woodall wrote: TLDR; there was a firmware bug in a disk in the raid array resulting in data corruption. A subsequent kernel workaround resulted in dramatically reducing the disk performance. (probably just writes but I didn't confirm) Initially, under heavy disk load I

SOLVED Re: Disk corruption and performance issue.

2024-02-26 Thread Tim Woodall
TLDR; there was a firmware bug in a disk in the raid array resulting in data corruption. A subsequent kernel workaround resulted in dramatically reducing the disk performance. (probably just writes but I didn't confirm) Initially, under heavy disk load I got errors like: Preparing to unpack

Re: Disk corruption and performance issue.

2024-01-21 Thread David Christensen
On 1/21/24 02:45, Tim Woodall wrote: On Sat, 20 Jan 2024, David Christensen wrote: On 1/20/24 08:25, Tim Woodall wrote: Some time ago I wrote about a data corruption issue. I've still not managed to track it down ... Please post a console session that demonstrates, or at least documents,

Re: Disk corruption and performance issue.

2024-01-21 Thread gene heskett
On 1/21/24 05:46, Tim Woodall wrote: The disk that I'm using when I saw the above error is a straight LVM -> iscsi -> ext3 mounted like this: /dev/xvdb on /mnt/mirror/ftp/mirror type ext3 (rw,noatime) I should stay out of this, but feel compelled to ask why ext3? It had a very short run, a

Re: Disk corruption and performance issue.

2024-01-21 Thread Tim Woodall
On Sat, 20 Jan 2024, David Christensen wrote: On 1/20/24 08:25, Tim Woodall wrote: Some time ago I wrote about a data corruption issue. I've still not managed to track it down ... Please post a console session that demonstrates, or at least documents, the data corruption. Console

Re: Disk corruption and performance issue.

2024-01-20 Thread David Christensen
On 1/20/24 08:25, Tim Woodall wrote: > Some time ago I wrote about a data corruption issue. I've still not > managed to track it down ... Please post a console session that demonstrates, or at least documents, the data corruption. Please cut and paste complete console sessions into your

Disk corruption and performance issue.

2024-01-20 Thread Tim Woodall
This is rather long - so if you're replying to just one bit, please consider trimming the parts that you're not responding to to make everybody's life a little bit better! Some time ago I wrote about a data corruption issue. I've still not managed to track it down but I have two new datapoints