The following services will be unavailable from 1 am through as late as 4 am on Saturday morning June 2, while we perform scheduled maintenance:

• OskiCat, the UC Berkeley library catalog (including searching, request, and renewal functions).
• UCB call number and availability information in Melvyl.
• Melvyl Request login and My ILL Requests.
• The library proxy server for accessing licensed electronic resources (VPN will still work).