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polardb-filesystem's Issues

PolarFS Configuration for shared storage

Hi everyone,
I was looking polarFS configuration for shared storage but I am missing some details about connection of storage chunks.
Like how the RDMA or NVMe/TCP using SPDK is exporting the disks to Polar Switch and how the setup is taking place

polardb-file-system和PolarFS不同点?

您好,当前开源的介绍让人很容易与PolarFS混淆。但从实际的代码看只看到一个File System Layer,而不包含Cluster部分,与论文中描述的PolarFS差异非常大。
请问,能不能介绍一下当前开源版本的主要特性和功能,其与PolarFS的不同点?

源码中定义的Block Size与论文不同

您好,在源码的src/pfs_core/pfs_impl.h文件中发现:第39行定义Block Size大小为4M,这似乎与Polarfs论文3.2节中将Block Size设置为64KB不符,请问这里是如何考虑的?

文件系统扩展功能(pfs -C disk growfs)不可用?

在使用 pfs -C disk growfs -o 201 -n 300 nvme0n1对ceph 镜像进行扩展时报错:
[root@polardb01 ~]#pfs tool cmd record:growfs -o 201 -n 300 nvme0n1
[PFS_LOG] Oct 20 16:59:27.971611 INF [1097361] pfs build version:libpfs_version_("pfsd-build-desc-fb5114f-Tue Apr 19 15:18:10 CST 2022")
[PFS_LOG] Oct 20 16:59:27.971724 INF [1097361] pid: 1092823, caller: -bash
[PFS_LOG] Oct 20 16:59:27.971765 INF [1097361] pid: 1092820, caller: sudo -i
[PFS_LOG] Oct 20 16:59:27.971800 INF [1097361] pid: 804729, caller: -bash
[PFS_LOG] Oct 20 16:59:27.971833 INF [1097361] pid: 804718, caller: sshd: deveop@pts/1
[PFS_LOG] Oct 20 16:59:27.971867 INF [1097361] pid: 804699, caller: sshd: deveop [priv]
[PFS_LOG] Oct 20 16:59:27.971901 INF [1097361] pid: 1386, caller: /usr/sbin/sshd -D
pfs growfs failed!
growfs failed: impl specific

但是使用 pfs -C disk info nvme0n1 命令显示信息却能正常显示:
[root@polardb01 ~]#pfs -C disk info nvme0n1
Blktag Info:
(0)allocnode: id 0, shift 0, nchild=201, nall 514560, nfree 511670, next 0
Direntry Info:
(0)allocnode: id 0, shift 0, nchild=201, nall 411648, nfree 410066, next 0
Inode Info:
(0)allocnode: id 0, shift 0, nchild=201, nall 411648, nfree 410066, next 0

help

[PFS_LOG] Mar 17 12:12:01.703979 ERR [2357] cp: can't find any pbdname
[PFS_LOG] Mar 17 12:12:01.704013 ERR [2357] cp failed: impl specific
cp failed: impl specific

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