MD3820i Thin virtual disk capacity full

Good day! One fine day, our repository gave the following error (attachment). After that, the partition was completely lost, all virtual machine disks became inaccessible. Only a complete re-creation of the partition helped. Please tell me why this happened?

PROFILE FOR STORAGE ARRAY: MD3820i (Mon Jan 31 08:12:45 MSK 2022)


STANDARD VIRTUAL DISKS------------------------------

SUMMARY

Number of standard virtual disks: 5

See other Virtual Disks sub-tabs for premium feature information.


Name Thin Provisioned Status Capacity Accessible by Source
Fast_1 Yes Optimal 3 732,000 GB Host Group M1000e-ESXi Disk Pool Disk_Pool_1
Fast_2 Yes Optimal 3 072,000 GB Host Group M1000e-ESXi Disk Pool Disk_Pool_1
ISO Yes Optimal 2 048,000 GB Host Group M1000e-ESXi Disk Pool Disk_Pool_2
Slow_1 Yes Optimal 13,099 TB Host Group M1000e-ESXi Disk Pool Disk_Pool_2
Slow_2 Yes Optimal 13,199 TB Host Group M1000e-ESXi Disk Pool Disk_Pool_2

DETAILS


Virtual Disk name: Fast_1

Virtual Disk status: Optimal
Thin provisioned: Yes
Reporting policy: Thin

Virtual capacity: 3 732,000 GB
Maximum virtual capacity: 63,000 TB
Virtual Disk world-wide identifier: 60:0a:09:80:00:bb:de:ee:00:00:03:bb:5a:7b:44:45
Subsystem ID (SSID): 16385
Associated disk pool: Disk_Pool_1
RAID level: 6

LUN: 0
Accessible By: Host Group M1000e-ESXi

Physical Disk media type: Physical Disk
Physical Disk interface type: Serial Attached SCSI (SAS)
Logical sector size: 512 bytes
Enclosure loss protection: No

Secure: No

Preferred owner: RAID Controller Module in slot 1
Current owner: RAID Controller Module in slot 0


Segment size: 128 KB
Capacity reserved for future segment size changes: No
Maximum future segment size: Not applicable
Modification priority: High


Read cache: Enabled
Write cache: Enabled
Write cache without batteries: Disabled
Write cache with mirroring: Enabled
Flush write cache after (in seconds): 10.00
Dynamic cache read prefetch: Disabled

Enable background media scan: Enabled
Media scan with consistency check: Enabled

Pre-Read consistency check: Disabled

Repository for thin provisioning
Name: repos_0000
Capacity: 3 552,000 GB
Capacity consumed: 3 537,512 GB (99%)
Virtual Disk capacity allocated to repository: 95%
Expansion policy: Automatic
Maximum capacity: 64,000 TB
Utilization alert threshold: 100%


Virtual Disk name: Fast_2

Virtual Disk status: Optimal
Thin provisioned: Yes
Reporting policy: Thin

Virtual capacity: 3 072,000 GB
Maximum virtual capacity: 63,000 TB
Virtual Disk world-wide identifier: 60:0a:09:80:00:bb:e1:37:00:00:04:29:5a:7b:44:7e
Subsystem ID (SSID): 16386
Associated disk pool: Disk_Pool_1
RAID level: 6

LUN: 2
Accessible By: Host Group M1000e-ESXi

Physical Disk media type: Physical Disk
Physical Disk interface type: Serial Attached SCSI (SAS)
Logical sector size: 512 bytes
Enclosure loss protection: No

Secure: No

Preferred owner: RAID Controller Module in slot 0
Current owner: RAID Controller Module in slot 0


Segment size: 128 KB
Capacity reserved for future segment size changes: No
Maximum future segment size: Not applicable
Modification priority: High


Read cache: Enabled
Write cache: Enabled
Write cache without batteries: Disabled
Write cache with mirroring: Enabled
Flush write cache after (in seconds): 10.00
Dynamic cache read prefetch: Disabled

Enable background media scan: Enabled
Media scan with consistency check: Enabled

Pre-Read consistency check: Disabled

Repository for thin provisioning
Name: repos_0004
Capacity: 2 256,000 GB
Capacity consumed: 2 246,839 GB (99%)
Virtual Disk capacity allocated to repository: 73%
Expansion policy: Automatic
Maximum capacity: 64,000 TB
Utilization alert threshold: 100%


Virtual Disk name: ISO

Virtual Disk status: Optimal
Thin provisioned: Yes
Reporting policy: Thin

Virtual capacity: 2 048,000 GB
Maximum virtual capacity: 63,000 TB
Virtual Disk world-wide identifier: 60:0a:09:80:00:bb:e1:37:00:00:0d:96:5a:99:8f:01
Subsystem ID (SSID): 16391
Associated disk pool: Disk_Pool_2
RAID level: 6

LUN: 6
Accessible By: Host Group M1000e-ESXi

Physical Disk media type: Physical Disk
Physical Disk interface type: Serial Attached SCSI (SAS)
Logical sector size: 512 bytes
Enclosure loss protection: No

Secure: No

Preferred owner: RAID Controller Module in slot 0
Current owner: RAID Controller Module in slot 0


Segment size: 128 KB
Capacity reserved for future segment size changes: No
Maximum future segment size: Not applicable
Modification priority: High


Read cache: Enabled
Write cache: Enabled
Write cache without batteries: Disabled
Write cache with mirroring: Enabled
Flush write cache after (in seconds): 10.00
Dynamic cache read prefetch: Disabled

Enable background media scan: Enabled
Media scan with consistency check: Enabled

Pre-Read consistency check: Disabled

Repository for thin provisioning
Name: repos_0010
Capacity: 224,000 GB
Capacity consumed: 203,119 GB (90%)
Virtual Disk capacity allocated to repository: 10%
Expansion policy: Automatic
Maximum capacity: 64,000 TB
Utilization alert threshold: 100%


Virtual Disk name: Slow_1

Virtual Disk status: Optimal
Thin provisioned: Yes
Reporting policy: Thin

Virtual capacity: 13,099 TB
Maximum virtual capacity: 63,000 TB
Virtual Disk world-wide identifier: 60:0a:09:80:00:bb:de:ee:00:00:03:bf:5a:7b:44:f5
Subsystem ID (SSID): 16387
Associated disk pool: Disk_Pool_2
RAID level: 6

LUN: 3
Accessible By: Host Group M1000e-ESXi

Physical Disk media type: Physical Disk
Physical Disk interface type: Serial Attached SCSI (SAS)
Logical sector size: 512 bytes
Enclosure loss protection: No

Secure: No

Preferred owner: RAID Controller Module in slot 1
Current owner: RAID Controller Module in slot 0


Segment size: 128 KB
Capacity reserved for future segment size changes: No
Maximum future segment size: Not applicable
Modification priority: High


Read cache: Enabled
Write cache: Enabled
Write cache without batteries: Disabled
Write cache with mirroring: Enabled
Flush write cache after (in seconds): 10.00
Dynamic cache read prefetch: Disabled

Enable background media scan: Enabled
Media scan with consistency check: Enabled

Pre-Read consistency check: Disabled

Repository for thin provisioning
Name: repos_0005
Capacity: 10 048,000 GB
Capacity consumed: 10 034,855 GB (99%)
Virtual Disk capacity allocated to repository: 74%
Expansion policy: Automatic
Maximum capacity: 64,000 TB
Utilization alert threshold: 100%


Virtual Disk name: Slow_2

Virtual Disk status: Optimal
Thin provisioned: Yes
Reporting policy: Thin

Virtual capacity: 13,199 TB
Maximum virtual capacity: 63,000 TB
Virtual Disk world-wide identifier: 60:0a:09:80:00:bb:e1:37:00:00:0d:8c:5a:95:c0:9f
Subsystem ID (SSID): 16388
Associated disk pool: Disk_Pool_2
RAID level: 6

LUN: 1
Accessible By: Host Group M1000e-ESXi

Physical Disk media type: Physical Disk
Physical Disk interface type: Serial Attached SCSI (SAS)
Logical sector size: 512 bytes
Enclosure loss protection: No

Secure: No

Preferred owner: RAID Controller Module in slot 0
Current owner: RAID Controller Module in slot 0


Segment size: 128 KB
Capacity reserved for future segment size changes: No
Maximum future segment size: Not applicable
Modification priority: High


Read cache: Enabled
Write cache: Enabled
Write cache without batteries: Disabled
Write cache with mirroring: Enabled
Flush write cache after (in seconds): 10.00
Dynamic cache read prefetch: Disabled

Enable background media scan: Enabled
Media scan with consistency check: Enabled

Pre-Read consistency check: Disabled

Repository for thin provisioning
Name: repos_0002
Capacity: 9 472,000 GB
Capacity consumed: 1 880,432 GB (19%)
Virtual Disk capacity allocated to repository: 70%
Expansion policy: Automatic
Maximum capacity: 64,000 TB
Utilization alert threshold: 100%