We use Alfresco as Virtual Machine (EXSi Ubuntu...). We have around 20-25 users actives. Amount of data around 800Gb. The most people use network mapping (SMB) to access to the files. We use Alfresco since 3 months and actually I had this message during peak time :
And the access to files for users become slow/cannot at all.
We actually use this type of HDD :
And the VM config :
I check all other parts as CPU, RAM and Network all are fine.
So do I need to replace the HDD? What kind on hardware? SSD Samsung PRO 2Tb (so expensive!!) ??
Need expert advice please.