/[dtapublic]/projs/trunk/projs/20161029_server_scripts_automaint_cron/fstrim_root
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revision 58 by dashley, Sat Oct 29 20:47:33 2016 UTC revision 60 by dashley, Sat Oct 29 21:06:08 2016 UTC
# Line 1  Line 1 
1  #!/bin/bash  #!/bin/bash
2  #-------------------------------------------------------------------------------------------------  #-------------------------------------------------------------------------------------------------
3  #$Header$  #$Header$
4  #-------------------------------------------------------------------------------------------------  #-------------------------------------------------------------------------------------------------
5  #This file is part of "Server Scripts, Automatic Maintenance, Cron", a set of scripts for  #This file is part of "Server Scripts, Automatic Maintenance, Cron", a set of scripts for
6  #performing automatic periodic maintenance on a Linux server.  #performing automatic periodic maintenance on a Linux server.
7  #-------------------------------------------------------------------------------------------------  #-------------------------------------------------------------------------------------------------
8  #This source code and any program in which it is compiled/used is provided under the MIT License,  #This source code and any program in which it is compiled/used is provided under the MIT License,
9  #reproduced below.  #reproduced below.
10  #-------------------------------------------------------------------------------------------------  #-------------------------------------------------------------------------------------------------
11  #Permission is hereby granted, free of charge, to any person obtaining a copy of  #Permission is hereby granted, free of charge, to any person obtaining a copy of
12  #this software and associated documentation files(the "Software"), to deal in the  #this software and associated documentation files(the "Software"), to deal in the
13  #Software without restriction, including without limitation the rights to use,  #Software without restriction, including without limitation the rights to use,
14  #copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the  #copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the
15  #Software, and to permit persons to whom the Software is furnished to do so,  #Software, and to permit persons to whom the Software is furnished to do so,
16  #subject to the following conditions :  #subject to the following conditions :
17  #  #
18  #The above copyright notice and this permission notice shall be included in all  #The above copyright notice and this permission notice shall be included in all
19  #copies or substantial portions of the Software.  #copies or substantial portions of the Software.
20  #  #
21  #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22  #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE  #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
24  #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25  #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26  #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27  #SOFTWARE.  #SOFTWARE.
28  #-------------------------------------------------------------------------------------------------  #-------------------------------------------------------------------------------------------------
29  #Trims the root filesystem (SSD).  Once a week is approximately the right  #Trims the root filesystem (SSD).  Once a week is approximately the right
30  #frequency for this filesystem, which gets normal usage.  #frequency for this filesystem, which gets normal usage.
31  #  #
32  echo "Result of the \"fstrim -v /\" command:"  echo "Result of the \"fstrim -v /\" command:"
33  echo  echo
34  #Perhaps out of paranoia, wait 120 seconds for any disk buffers to flush before the fstrim, then  #Perhaps out of paranoia, wait 120 seconds for any disk buffers to flush before the fstrim, then
35  #120 seconds after for the drive to get its head on straight, just to minimize the risk of anything  #120 seconds after for the drive to get its head on straight, just to minimize the risk of anything
36  #weird happening.  #weird happening.
37  sleep 120  sleep 120
38  fstrim -v /  fstrim -v /
39  sleep 120  sleep 120
40  #  #
41  #End of script.  #End of script.
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