# Errors with non NVMe disks, how can I fix them are they meaningful?

**URL:** <https://forum.scylladb.com/t/errors-with-non-nvme-disks-how-can-i-fix-them-are-they-meaningful/5366>\
**Category:** ScyllaDB\
**Tags:** error-message, administration, configuration, disk\
**Created:** [May 14, 2026, 8:29am UTC](https://forum.scylladb.com/t/errors-with-non-nvme-disks-how-can-i-fix-them-are-they-meaningful/5366 "2026-05-14T08:29:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Guy](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.scylladb.com/guy/32/9_2.png) [@Guy](https://forum.scylladb.com/u/Guy)\
**Post date:** [May 14, 2026, 8:29am UTC](https://forum.scylladb.com/t/errors-with-non-nvme-disks-how-can-i-fix-them-are-they-meaningful/5366/1 "2026-05-14T08:29:46Z")

</div>

> [@](#):
>
> **[Originally from the User Slack](https://scylladb-users.slack.com/)**
> 
> ![Mahdi_Kamali](https://us1.discourse-cdn.com/flex016/uploads/scylladb/original/2X/7/7fb1a0a118e8eb1518763300c376e9c0ce9db7bc.png) @Mahdi\_KamaliMahdi\_Kamali\*\*:\*\* How can I fix these errors to set smp\_affinity for disk IRQs successfully? Is it important?  
> `Setting non-NVMe disks: sdf, sdc, sdh, sdb, sda, sdd, sdg, sde4...`  
> `Setting mask 00000001 in /proc/irq/191/smp_affinity: failed to write into /proc/irq/191/smp_affinity: (<class 'OSError'>, OSError(5, 'Input/output error'), <traceback object at 0x7f2abeaf0800>)`  
> `Setting mask 00000001 in /proc/irq/212/smp_affinity: failed to write into /proc/irq/212/smp_affinity: (<class 'OSError'>, OSError(5, 'Input/output error'), <traceback object at 0x7f2abeaf0840>)`
> 
> ![avi](https://us1.discourse-cdn.com/flex016/uploads/scylladb/original/1X/b5e08becda8d9df1abff1d3a2d9ffe1126ac3fc6.jpeg) @avi\*\*:\*\* Those disks probably don’t support it. There will be some performance loss.