# Failed read s-bucket error=Input/output error (os error 5)

**URL:** <https://forum.autonomys.xyz/t/failed-read-s-bucket-error-input-output-error-os-error-5/2142>\
**Category:** Support\
**Created:** [November 10, 2023, 4:06pm UTC](https://forum.autonomys.xyz/t/failed-read-s-bucket-error-input-output-error-os-error-5/2142 "2023-11-10T16:06:54Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Rabinovitch](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.autonomys.xyz/rabinovitch/32/99_2.png) [@Rabinovitch](https://forum.autonomys.xyz/u/Rabinovitch)\
**Post date:** [November 10, 2023, 4:06pm UTC](https://forum.autonomys.xyz/t/failed-read-s-bucket-error-input-output-error-os-error-5/2142/1 "2023-11-10T16:06:54Z")

</div>

## Issue Report

### Environment

- **Operating System:** Ubuntu 20.04.6 LTS
- **Pulsar/Advanced CLI/Docker:** gemini-3g-2023-nov-09

### Problem

At least one of my farmers suffers from this problem:

```auto
Nov 10 18:51:43 lenovo21 subspace-farmer[2301795]: 2023-11-10T15:51:43.892340Z INFO single_disk_farm{disk_farm_index=1}: subspace_farmer::reward_signing: Successfully signed reward hash 0x8ee9bdc637d681c1fe61fc87f2453fd184d78d87d1cdfd656d25186d68aca9d7
Nov 10 18:51:55 lenovo21 subspace-farmer[2301795]: 2023-11-10T15:51:55.888569Z WARN subspace_farmer_components::auditing: Failed read s-bucket error=Input/output error (os error 5) sector_index=33 s_bucket_audit_index=37656
Nov 10 18:52:23 lenovo21 subspace-farmer[2301795]: 2023-11-10T15:52:23.569195Z INFO single_disk_farm{disk_farm_index=0}: subspace_farmer::single_disk_farm::plotting: Plotting sector (36.46% complete) sector_index=660
Nov 10 18:54:28 lenovo21 subspace-farmer[2301795]: 2023-11-10T15:54:28.965530Z WARN subspace_farmer_components::auditing: Failed read s-bucket error=Input/output error (os error 5) sector_index=33 s_bucket_audit_index=35931
Nov 10 18:54:35 lenovo21 subspace-farmer[2301795]: 2023-11-10T15:54:35.976150Z WARN subspace_farmer_components::auditing: Failed read s-bucket error=Input/output error (os error 5) sector_index=33 s_bucket_audit_index=16996
Nov 10 18:55:25 lenovo21 subspace-farmer[2301795]: 2023-11-10T15:55:25.981551Z WARN subspace_farmer_components::auditing: Failed read s-bucket error=Input/output error (os error 5) sector_index=33 s_bucket_audit_index=47055
Nov 10 18:56:32 lenovo21 subspace-farmer[2301795]: 2023-11-10T15:56:32.012879Z WARN subspace_farmer_components::auditing: Failed read s-bucket error=Input/output error (os error 5) sector_index=33 s_bucket_audit_index=30776

```

---

<div class="post-metadata">

**Author:** ![nazar-pc](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.autonomys.xyz/nazar-pc/32/6_2.png) [@nazar-pc](https://forum.autonomys.xyz/u/nazar-pc)\
**Post date:** [November 10, 2023, 6:05pm UTC](https://forum.autonomys.xyz/t/failed-read-s-bucket-error-input-output-error-os-error-5/2142/2 "2023-11-10T18:05:15Z")

</div>

Will post my response from Discord here as well:

Looks like an issue with storage: either disk is broken, it was unplugged, or file system error or error with permissions. Try to look at kernel messages for clues (`dmesg`).

---

<div class="post-metadata">

**Author:** ![Rabinovitch](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.autonomys.xyz/rabinovitch/32/99_2.png) [@Rabinovitch](https://forum.autonomys.xyz/u/Rabinovitch)\
**Post date:** [November 10, 2023, 8:05pm UTC](https://forum.autonomys.xyz/t/failed-read-s-bucket-error-input-output-error-os-error-5/2142/3 "2023-11-10T20:05:20Z")

</div>

Sure.

```auto
[Fri Nov 10 22:56:22 2023] blk_update_request: critical medium error, dev nvme0n1, sector 69784680 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[Fri Nov 10 23:03:58 2023] blk_update_request: critical medium error, dev nvme0n1, sector 69539152 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0

```

Thanks.