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Status Delivered
Workspace Storage Scale (formerly known as GPFS)
Created by Guest
Created on Feb 27, 2018

RELATED IDEAS

support hole punching

We're seeing requests for customers running Commvault that they need support for hole punching to free up space in already allocated files.

Please support deallocating space in files trhough the FALLOC_FL_PUNCH_HOLE and FALLOC_FL_KEEP_SIZE flags of fallocate().

Ref: http://man7.org/linux/man-pages/man2/fallocate.2.html

This should then also be exposed through SMB mounts, which I believe samba will handle automatically once it sees the flag is supported. And hopefully also through NFS-ganesha.

Idea priority High
  • Guest
    Reply
    |     Sep 30, 2020

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - IBM Spectrum Scale
    Product - Spectrum Scale (formerly known as GPFS) - Public RFEs
    Component - Product functionality

    For recording keeping, the previous attributes were:
    Brand - Servers and Systems Software
    Product family - IBM Spectrum Scale
    Product - Spectrum Scale (formerly known as GPFS) - Public RFEs
    Component - Technical Foundation

  • Guest
    Reply
    |     May 17, 2019

    Delivered in Scale 5.0.3

  • Guest
    Reply
    |     Dec 12, 2018

    Planned for an upcoming PTF of 5.0.2 or Mod 5.0.3

  • Guest
    Reply
    |     Apr 27, 2018

    MySQL 5.7 also fails to run 'CREATE TABLE' with innodb_file_per_table = ON (default).

    [pid 9724] open("./osmtest/osmtest4.ibd", O_RDWR|O_CREAT|O_EXCL, 0640) = 69
    [pid 9724] fcntl(69, F_SETLK, {l_type=F_WRLCK, l_whence=SEEK_SET, l_start=0, l_len=0}) = 0
    [pid 9724] getcwd("/xxxgpfs01/atr/xxxxxxxx34/var/lib/mysql", 4096) = 42
    [pid 9724] lstat("/xxxgpfs01/atr/xxxxxxx34/var/lib/mysql/osmtest", {st_mode=S_IFDIR|0750, st_size=4096, ...}) = 0
    [pid 9724] pwrite64(69, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 65536, 0) = 65536
    [pid 9724] fsync(69) = 0
    [pid 9724] fallocate(69, FALLOC_FL_KEEP_SIZE|FALLOC_FL_PUNCH_HOLE, 0, 16384) = -1 EOPNOTSUPP (Operation not supported)

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