Re: [PATCH 0/2] block: add logging facility for long standing IO requests

2020-07-31 Thread Denis V. Lunev
On 7/31/20 1:25 PM, Stefan Hajnoczi wrote: > On Fri, Jul 10, 2020 at 08:27:09PM +0300, Denis V. Lunev wrote: >> There are severe delays with IO requests processing if QEMU is running in >> virtual machine or over software defined storage. Such delays potentially >> results in unpredictable guest

Re: [PATCH 0/2] block: add logging facility for long standing IO requests

2020-07-31 Thread Stefan Hajnoczi
On Fri, Jul 10, 2020 at 08:27:09PM +0300, Denis V. Lunev wrote: > There are severe delays with IO requests processing if QEMU is running in > virtual machine or over software defined storage. Such delays potentially > results in unpredictable guest behavior. For example, guests over IDE or > SATA

Re: [PATCH 0/2] block: add logging facility for long standing IO requests

2020-07-29 Thread Stefan Hajnoczi
On Fri, Jul 10, 2020 at 08:27:09PM +0300, Denis V. Lunev wrote: > There are severe delays with IO requests processing if QEMU is running in > virtual machine or over software defined storage. Such delays potentially > results in unpredictable guest behavior. For example, guests over IDE or > SATA

[PATCH 0/2] block: add logging facility for long standing IO requests

2020-07-10 Thread Denis V. Lunev
There are severe delays with IO requests processing if QEMU is running in virtual machine or over software defined storage. Such delays potentially results in unpredictable guest behavior. For example, guests over IDE or SATA drive could remount filesystem read-only if write is performed longer