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Does Oracle reads the OS-Memory from BIOS or OS ?

edited Sep 9, 2016 5:01AM in Database Administration (MOSC) 4 commentsAnswered

Dear all,

recently we increased the Memory on our VM (VMWare esxi5.5, OS= SUSE 11 Linux x86_64) from 104G to 200G, and because of that we restarted the DB=11.2.0.4 and increased the SGA_MAX_SIZE to 140G. By startup the DB we got an error, that the system does not have enough Memroy. When I check the memoInfo, I see that the system has enough Memory as below:

#cat /proc/meminfo

MemTotal:   207613300 kB
MemFree:    11024420 kB
Buffers:    11802088 kB
Cached:     15716248 kB
SwapCached:        0 kB
Active:     27994924 kB
Inactive:     238340 kB
Active(anon): 721868 kB
Inactive(anon):  580 kB

Active(file):   27273056 kB

Inactive(file):   237760 kB

Unevictable:   47060 kB
Mlocked:       47060 kB

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