I don't know what could be causing this, but I can say that my
understanding is that the S3 driver is somewhat prone to causing issues.
For bacula 15.x+, it is recommended that one use the Amazon driver instead.
Despite the name, the driver does work with other providers besides
amazon. IIRC, heaps of providers are supported. The biggest caveat that I
ran into was that my Cloud {} resource needed an additional variable
because I (like you), am using a non-AWS cloud storage provider. Because
of this, I had to specify a BlobEndpoint value. I believe without the
BlobEndpoint value, the Amazon driver assumes the files are located at an
AWS URL and attempts to access the buckets at AWS. I think the BlobEndpoint
directive informs bacula that it must abandon this behavior of assuming an
AWS URL, and also tells bacula which URL to use to find the volume. Why it
cannot do this from the hostname, I do not know.
See my bacula-sd.conf snippets, for an example.
Cloud {
Name = "B2-TD-Diff"
Driver = "Amazon"
HostName = "s3.us-west-004.backblazeb2.com"
BlobEndpoint = "https://s3.us-west-004.backblazeb2.com/";
BucketName = "TD-Bacula-Diff"
AccessKey = "123REDACTED"
SecretKey = "456REDACTED"
Protocol = "HTTPS"
UriStyle = "VirtualHost"
TruncateCache = "AfterUpload"
Upload = "No"
}
Autochanger {
Name = "B2-TD-Diff"
Device = "B2-TD-Diff-001"
Device = "B2-TD-Diff-002"
Device = "B2-TD-Diff-003"
Device = "B2-TD-Diff-004"
Device = "B2-TD-Diff-005"
Device = "B2-TD-Diff-006"
ChangerDevice = "/dev/null"
ChangerCommand = "/dev/null"
}
Device {
Name = "B2-TD-Diff-001"
Description = "B2-TD-Diff"
MediaType = "B2-TD-Diff"
DeviceType = "Cloud"
ArchiveDevice = "/mnt/synology/bacula/B2-TD-Diff"
RemovableMedia = no
RandomAccess = yes
AutomaticMount = yes
LabelMedia = yes
Autochanger = yes
ReadOnly = no
MaximumFileSize = 5368709120
MaximumConcurrentJobs = 1
DriveIndex = 0
MaximumPartSize = 5368709120
Cloud = "B2-TD-Diff"
VolumeEncryption = yes
}
Hopefully this helps.
Regards,
Robert Gerber
402-237-8692
[email protected]
On Thu, Aug 6, 2026 at 8:33 PM Thomas Ruth via Bacula-users <
[email protected]> wrote:
> Hello,
>
> I'm using bacula-15.0.3 with the S3 volume storage using DigitalOcean
> Spaces. I've been doing this successfully for about 9 months without any
> issues. Today, I got an alert to mount the storage, which I've never had
> before with my configuration. The directory /var/spool/cloud is really a
> symlink pointing at /var/spool/bacula/cloud which is on a separate disk,
> and has been working fine. The permissions look correct to me. This is
> my cache disk. I'm able to access the volume via the DigitalOcean
> console and I don't see any errors there. I'm at a loss for what this
> message means. I've tried using the mount command, which just causes the
> same error in the messages and I get another alert. I've tried
> restarting services and also the entire server with the same result. The
> status.digitalocean.com doesn't show any issues. I'm not sure what else
> I can try to do in order to get my backups running again or figure out
> what is causing this odd message.
>
> Any help greatly appreciated. Thank you,
> -Tom
>
> ================================== Alert
> ====================================
> (Bacula) <[email protected]>
> Bacula: Intervention needed for strahd-fd.2026-08-07_00.30.31_03
> 07-Aug 00:30 strahd-sd JobId 1969: Please mount append Volume
> "ICHSI-0012" or label a new one for:
> Job: strahd-fd.2026-08-07_00.30.31_03
> Storage: "CloudStorage1-1" (/var/spool/cloud)
> Pool: Daily
> Media type: File1
>
> ===========================================================================
>
> When looking through the messages, I see the following for the job:
>
> *mes
> 07-Aug 00:30 strahd-dir JobId 1969: Start Backup JobId 1969,
> Job=strahd-fd.2026-08-07_00.30.31_03
> 07-Aug 00:30 strahd-dir JobId 1969: Connected to Storage "CloudChanger1"
> at strahd-i.ichaos.com:9103 with TLS
> 07-Aug 00:30 strahd-dir JobId 1969: Using Device "CloudStorage1-1" to
> write.
> 07-Aug 00:30 strahd-dir JobId 1969: Connected to Client "strahd-fd" at
> strahd-i.ichaos.com:9102 with TLS
> 07-Aug 00:30 strahd-fd JobId 1969: Connected to Storage at
> strahd-i.ichaos.com:9103 with TLS
> 07-Aug 00:30 strahd-dir JobId 1969: Sending Accurate information to the FD.
> 07-Aug 00:30 strahd-sd JobId 1969: The Volume "ICHSI-0012" is
> unavailable now.
> 07-Aug 00:30 strahd-sd JobId 1969: The Volume "ICHSI-0012" is
> unavailable now.
> 07-Aug 00:30 strahd-sd JobId 1969: The Volume "ICHSI-0012" is
> unavailable now.
> 07-Aug 00:30 strahd-sd JobId 1969: The Volume "ICHSI-0012" is
> unavailable now.
> 07-Aug 00:30 strahd-sd JobId 1969: The Volume "ICHSI-0012" is
> unavailable now.
> 07-Aug 00:30 strahd-sd JobId 1969: Please mount append Volume
> "ICHSI-0012" or label a new one for:
> Job: strahd-fd.2026-08-07_00.30.31_03
> Storage: "CloudStorage1-1" (/var/spool/cloud)
> Pool: Daily
> Media type: File1
>
> ============================================================================
>
> Here is a status report for my storage:
>
> strahd:~ # bconsole
> Connecting to Director localhost:9101
> 1000 OK: 10002 strahd-dir Version: 15.0.3 (25 March 2025)
> Enter a period to cancel a command.
> *status storage
> Automatically selected Storage: CloudChanger1
> Connecting to Storage daemon CloudChanger1 at strahd-i.ichaos.com:9103
>
> strahd-sd Version: 15.0.3 (25 March 2025) x86_64-suse-linux-gnu
> unknown_distro
> Daemon started 07-Aug-26 00:29. Jobs: run=0, running=1 max=20.
> Ulimits: nofile=10000 memlock=unlimited status=ok
> Heap: heap=700,416 smbytes=1,564,333 max_bytes=1,573,699 bufs=314
> max_bufs=314
> Sizes: boffset_t=8 size_t=8 int32_t=4 int64_t=8 mode=0,0 newbsr=0
> Crypto: fips=N/A crypto=OpenSSL 3.5.0 8 Apr 2025
> Res: ndevices=2 nautochgr=1
> Drivers: cloud
> Caps: APPEND_ONLY, IMMUTABLE
>
> Running Jobs:
> Writing: Incremental Backup job strahd-fd JobId=1969 Volume="ICHSI-0012"
> pool="Daily" device="CloudStorage1-1" (/var/spool/cloud)
> spooling=0 despooling=0 despool_wait=0
> Files=0 Bytes=0 AveBytes/sec=0 LastBytes/sec=0
> FDReadSeqNo=7 in_msg=7 out_msg=8 fd=6
> Director connected using TLS at: 07-Aug-26 00:39
> ====
>
> Jobs waiting to reserve a drive:
> ====
>
> Terminated Jobs:
> JobId Level Files Bytes Status Finished Name
> ===================================================================
> 1955 Incr 225 22.58 M OK 06-Aug-26 00:05 mailx2-fd
> 1956 Incr 54 4.830 M OK 06-Aug-26 00:05 strahd-fd
> 1952 Incr 5,875 6.627 M OK 06-Aug-26 00:05 drive-fd
> 1953 Incr 650 214.5 M OK 06-Aug-26 00:06 drive-mariadb
> 1957 Incr 1,273 2.358 G OK 06-Aug-26 00:11 tiamat3-fd
> 1958 Incr 0 0 OK 06-Aug-26 00:11
> tiamat3-mariadb
> 1959 Full 1 613.2 M OK 06-Aug-26 00:12 BackupCatalog
> 1966 Incr 0 0 OK 07-Aug-26 00:16
> tiamat3-mariadb
> 1961 Incr 0 0 Cancel 07-Aug-26 00:18 drive-mariadb
> 1968 Incr 0 0 Cancel 07-Aug-26 00:28 strahd-fd
> ====
>
> Device status:
> Autochanger "CloudChanger1" with devices:
> "CloudStorage1-1" (/var/spool/cloud)
> "CloudStorage1-2" (/var/spool/cloud)
>
> Device Cloud (S3 Plugin) is "CloudStorage1-1" (/var/spool/cloud) waiting
> for:
> Volume: ICHSI-0012
> Pool: Daily
> Media type: File1
> Total Bytes Read=242 Blocks Read=1 Bytes/block=242
> Positioned at File=0 Block=0
> Device is BLOCKED waiting for mount of volume "ICHSI-0012",
> Pool: Daily
> Media type: File1
> Available Cache Space=32.66 GB
> ==
>
> Device Cloud (S3 Plugin): "CloudStorage1-2" (/var/spool/cloud) is not open.
> Available Cache Space=32.66 GB
> ==
> ====
>
> Cloud transfer status:
> Uploads (0 B/s) (ETA 0 s) Queued=0 0 B, Waiting=0 0 B,
> Processing=0 0 B, Done=0 0 B, Failed=0 0 B
> Downloads (0 B/s) (ETA 0 s) Queued=0 0 B, Waiting=0 0 B,
> Processing=0 0 B, Done=0 0 B, Failed=0 0 B
> ====
>
> Used Volume status:
> Reserved volume: ICHSI-0012 on Cloud device "CloudStorage1-1"
> (/var/spool/cloud)
> Reader=0 writers=0 reserves=1 volinuse=0 worm=0
> ====
>
> ====
>
>
> ===========================================================================================
>
> I'm able to list the volumes in the cloud just fine:
>
> *cloud ?
> Cloud choice:
> 1: List Cloud Volumes in the Cloud
> 2: Upload a Volume to the Cloud
> 3: Prune the Cloud Cache
> 4: Truncate a Volume Cache
> 5: Done
> Select action to perform on Cloud (1-5): 1
> Automatically selected Catalog: IchaosCatalog
> Using Catalog "IchaosCatalog"
> Automatically selected Storage: CloudChanger1
> Connecting to Storage daemon CloudChanger1 at strahd-i.ichaos.com:9103 ...
>
> +--------------------+-----------+----------------------+----------------------+---------------+
> | Volume Name | Status | Media Type | Pool
> | VolBytes |
>
> +--------------------+-----------+----------------------+----------------------+---------------+
> | ICHSB-0001 | Append | File1 | Base |
> 889.4 MB |
> | ICHSD-0004 | Used | File1 | Weekly |
> 1.711 GB |
> | ICHSD-0006 | Used | File1 | Weekly |
> 1.771 GB |
> | ICHSD-0008 | Used | File1 | Weekly |
> 1.771 GB |
> | ICHSD-0013 | Used | File1 | Weekly |
> 1.678 GB |
> | ICHSD-0015 | Append | File1 | Weekly |
> 2.611 GB |
> | ICHSD-0016 | Purged | File1 | Weekly |
> 1.466 GB |
> | ICHSD-0018 | Used | File1 | Weekly |
> 1.381 GB |
> | ICHSD-0019 | Used | File1 | Weekly |
> 1.709 GB |
> | ICHSD-0020 | Used | File1 | Weekly |
> 1.917 GB |
> | ICHSD-0022 | Used | File1 | Weekly |
> 2.205 GB |
> | ICHSD-0026 | Used | File1 | Weekly |
> 2.408 GB |
> | ICHSF-0002 | Used | File1 | Monthly |
> 8.022 GB |
> | ICHSF-0011 | Used | File1 | Monthly |
> 5.675 GB |
> | ICHSF-0017 | Used | File1 | Monthly |
> 5.404 GB |
> | ICHSF-0021 | Used | File1 | Monthly |
> 5.345 GB |
> | ICHSF-0023 | Used | File1 | Monthly |
> 7.459 GB |
> | ICHSF-0024 | Used | File1 | Monthly |
> 323.8 MB |
> | ICHSF-0025 | Used | File1 | Monthly |
> 6.510 GB |
> | ICHSI-0003 | Used | File1 | Daily |
> 9.619 GB |
> | ICHSI-0005 | Used | File1 | Daily |
> 11.67 GB |
> | ICHSI-0007 | Used | File1 | Daily |
> 11.45 GB |
> | ICHSI-0009 | Used | File1 | Daily |
> 11.45 GB |
> | ICHSI-0012 | Append | File1 | Daily |
> 6.595 GB |
> | ICHSI-0014 | Purged | File1 | Daily |
> 9.060 GB |
> | ICHSI-0028 | Purged | File1 | Daily |
> 9.091 GB |
> | ICHSV-0010 | Append | File1 | Yearly |
> 281.4 MB |
>
> +--------------------+-----------+----------------------+----------------------+---------------+
>
>
>
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>
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