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File Storage vePFS

File Storage vePFS

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Overview
Constraints and limitations
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Constraints and limitations
This topic outlines the constraints and limitations that apply to vePFS.​
File systems​
​
Category​
Description​
Service eligibility​
vePFS is only available to users who have passed real name verification. We recommend completing this process to use the service. For instructions, see Real Name Verification.​
Number of file systems that can be created per account in a single region​
2.​
tip​
Apply at the Quota Center if you need more than two file systems in a single region.​
Number of mount services that can be created per account in a single region​
5.​
Number of file systems that a single mount service can bind​
10.​
Subdirectory mounting​
Not supported.​
Number of compute nodes for mounting​
  • Each mount service supports up to 2,000 compute nodes.​
  • A single file system supports up to 5,000 compute nodes across multiple mount services.​
Maximum capacity of a single file system​
19,760 TiB. For more information, see Product specifications.​
Maximum size of a single file​
1,024 TiB.​
Maximum number of files or directories per file system​
As the capacity of the file system increases, so does the number of files and directories it can hold. Each TiB of capacity supports approximately 15 million files or directories. A single file system can hold hundreds of billions of files or directories.​
Maximum path length​
4,096 bytes.​
Maximum file name length​
255 bytes.​
Number of filesets that can be created in a single file system​
  • 100MB/s/TiB_Edition: 10.​
  • Performance_Edition and Intelligent_Computing_Edition: 100.​
tip​
Submit a ticket if you need more filesets.​
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Clients​
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Mount service version number​
Distribution​
Image version​
Kernel version​
1.5.0​
veLinux​
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veLinux 1.0 64 bit​
5.4.250-9-velinux1u2-amd64​
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veLinux 1.0 MLPS (Dengbao) 64 bit​
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veLinux 1.0 Quick Boot 64 bit​
5.4.143-2-fastboot-velinux1-amd64​
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veLinux 1.0 with 5.10 kernel 64 bit​
5.10.200-5-velinux1-amd64​
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veLinux 2.0​
5.15.152.ve.7u1-amd64​
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veLinux 2.0 CentOS Compatible​
5.15.152-7.1.ve2.x86_64​
​
CentOS​
CentOS 8.3​
4.18.0-348.7.1.el8_5.x86_64​
​
Rocky​
Rocky Linux 9.2​
5.14.0-570.49.1.el9_6.x86_64​
​
Ubuntu​
Ubuntu 22.04​
5.15.0-100-generic​
1.4.0​
veLinux​
veLinux 1.0 64 bit​
5.4.250-9-velinux1u2-amd64​
​
​
veLinux 1.0 MLPS (Dengbao) 64 bit​
​
​
​
veLinux 1.0 Quick Boot 64 bit​
5.4.143-2-fastboot-velinux1-amd64​
​
​
veLinux 1.0 with 5.10 kernel 64 bit​
5.10.200-5-velinux1-amd64​
​
​
veLinux 1.0 with MLU Driver 6.2.7 and mlx 5.8-3 and doca 64 bit​
5.10.200-1-velinux1u1-amd64​
​
​
veLinux 1.0 with NPU-A Driver 23.0 64 bit​
5.10.135-6-velinux1u1-amd64​
​
​
veLinux-2.0​
5.15.152.ve.7u1-amd64​
​
​
veLinux-2.0-CentOS Compatible​
5.15.152-7.1.ve2.x86_64​
​
CentOS​
​
CentOS 7.2​
3.10.0-1160.118.1.el7.x86_64​
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CentOS 7.3​
​
​
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CentOS 7.4​
​
​
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CentOS 7.5​
3.10.0-1160.119.1.el7.x86_64​
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CentOS 7.6​
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CentOS 7.7​
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​
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CentOS 7.8​
​
​
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CentOS 7.9​
3.10.0-1160.102.1.el7.x86_64​
​
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CentOS 8.3​
4.18.0-348.7.1.el8_5.x86_64​
​
Rocky​
Rocky Linux 8.4​
4.18.0.553.51.1.el8.10.x86_64​
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Rocky Linux 8.6​
4.18.0-553.5.1.el8_10.x86_64​
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Rocky Linux 8.8​
4.18.0-553.el8_10.x86_64​
​
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Rocky Linux 8.10​
4.18.0-553.16.1​
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Rocky Linux 9.2​
5.14.0-570.49.1.el9_6.x86_64​
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Ubuntu​
Ubuntu 20.04​
5.4.0-208-generic​
​
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Ubuntu 22.04​
5.15.0-100-generic​
1.3.0​
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veLinux​
veLinux 1.0 64 bit​
5.4.250-9-velinux1u2-amd64​
​
​
veLinux 1.0 MLPS (Dengbao) 64 bit​
​
​
​
veLinux 1.0 Quick Boot 64 bit​
5.4.143-2-fastboot-velinux1-amd64​
​
​
veLinux 1.0 with 5.10 kernel 64 bit​
5.10.200-5-velinux1-amd64​
​
​
veLinux 1.0 with MLU Driver 6.2.7 and mlx 5.8-3 and doca 64 bit​
5.10.200-1-velinux1u1-amd64​
​
​
veLinux 1.0 with NPU-A Driver 23.0 64 bit​
5.10.135-6-velinux1u1-amd64​
​
​
veLinux-2.0​
5.15.120.ve.3-amd64​
​
CentOS​
CentOS 7.2​
3.10.0-1160.118.1.el7.x86_64​
​
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CentOS 7.3​
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​
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CentOS 7.4​
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​
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CentOS 7.5​
3.10.0-1160.119.1.el7.x86_64​
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CentOS 7.6​
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CentOS 7.7​
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CentOS 7.8​
​
​
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CentOS 7.9​
3.10.0-1160.102.1.el7.x86_64​
​
​
CentOS 8.3​
4.18.0-348.7.1.el8_5.x86_64​
​
Ubuntu​
Ubuntu 20.04​
5.4.0-208-generic​
​
​
Ubuntu 22.04​
5.15.0-100-generic​
​
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​
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Last updated: 2026.05.13 10:32:47